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Wikipedia:WikiProject Plants/Categorization - Wikipedia

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mw-parser-output" lang="en" dir="ltr"><div style="position:relative; height:139px; width:100%; overflow:hidden; margin-left:6px;padding-bottom:10px"> <div style="position:absolute; bottom:0px; top:0px; overflow:hidden;"> <div style="left:0px; bottom:0px; top:0px; overflow-x:hidden;"> <span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/d/db/Sunflower_Flats_wildflowers%2C_BLM_Elko_District_Cropped.jpg" decoding="async" width="1200" height="139" class="mw-file-element" data-file-width="1024" data-file-height="119"/></span></span> </div> <div style="position:absolute; top:46px; left: 50px;"> <p><span style="font-size: 45px; padding: 0;"><b><span class="unicode" style="color:white;text-shadow:0.1em 0.1em 0.1em black">WikiProject Plants</span></b></span> </p> </div> </div> </div> <table role="presentation" style="width: 100%; background-color: transparent; color: inherit; vertical-align: top; border: 0px; border-spacing: 0; margin:0;"><tbody><tr><td style="width: 1%; border-bottom: solid 1px #A3B1BF"> </td><td style="text-align: center; padding:0.3em; border: solid 1px #a3b1bf; font-size: 110%; background-color: #8AB681; width: 3%;"><a href="/wiki/Wikipedia:WikiProject_Plants" title="Wikipedia:WikiProject Plants"><span style="color:black;"><b>Main page</b></span></a></td><td style="width: 2%; border-bottom: solid 1px #a3b1bf"> </td><td style="text-align: center; padding:0.3em; border: solid 1px #a3b1bf; font-size: 110%; background-color: #8AB681; width: 3%;"><a href="/wiki/Wikipedia_talk:WikiProject_Plants" title="Wikipedia talk:WikiProject Plants"><span style="color:black;"><b>Talk</b></span></a></td><td style="width: 2%; border-bottom: solid 1px #a3b1bf"> </td><td style="text-align: center; padding:0.3em; border: solid 1px #a3b1bf; font-size: 110%; background-color: #8AB681; width: 3%;"><a href="/wiki/Wikipedia:WikiProject_Plants/Template" title="Wikipedia:WikiProject Plants/Template"><span style="color:black;"><b>Taxon 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background-color: #8AB681; width: 3%;"><a href="/wiki/Wikipedia:WikiProject_Plants/Index" title="Wikipedia:WikiProject Plants/Index"><span style="color:black;"><b>Index</b></span></a></td><td style="width: 1%; border-bottom: solid 1px #A3B1BF"> </td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">This page is intended to explain how categorization of plant articles works.</div> <meta property="mw:PageProp/toc"/> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Taxonomic_categories" data-mw-thread-id="h-Taxonomic_categories"><span data-mw-comment-start="" id="h-Taxonomic_categories"></span>Taxonomic categories<span data-mw-comment-end="h-Taxonomic_categories"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Plants/Categorization&amp;action=edit&amp;section=1" title="Edit section: Taxonomic categories"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Taxonomic_categories","replies":["h-Non-monotypic_taxa-Taxonomic_categories","h-Monotypic_taxa-Taxonomic_categories"]}}--></div> <div class="mw-heading mw-heading3"><h3 id="Non-monotypic_taxa" data-mw-thread-id="h-Non-monotypic_taxa-Taxonomic_categories"><span data-mw-comment-start="" id="h-Non-monotypic_taxa-Taxonomic_categories"></span>Non-monotypic taxa<span data-mw-comment-end="h-Non-monotypic_taxa-Taxonomic_categories"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Plants/Categorization&amp;action=edit&amp;section=2" title="Edit section: Non-monotypic taxa"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><b>Summary: categorize an article at the highest taxonomic rank which yields a "sensible" set of category sizes (say 10-100 entries).</b> </p><p><em>In principle</em>, an article is categorized under the appropriate taxon in its taxonomic hierarchy. Consider species <i>Y z</i> in family Xaceae in order Wales. </p> <ul><li>The article about species <i>Y z</i> is placed in "Category:Y", i.e. the category for its genus, using the wikitext [[Category:Y|z]] to ensure its correct alphabetic placement in the category under the specific epithet. "Category:Y" will itself be placed in "Category:Xaceae".</li> <li>The article about genus <i>Y</i> is also placed in "Category:Y" using the wikitext [[Category:Y|]] to ensure that it comes first in the list of articles in the category.</li> <li>The article about family Xaceae is placed in "Category:Xaceae", using the wikitext [[Category:Xaceae|]] to ensure that it comes first in the list of articles in the category. "Category:Xaceae" is itself placed in "Category:Wales".</li> <li>Above the level of orders, the main APG clades are used, as in taxoboxes.</li></ul> <p>Thus the "ideal" categorization can be represented as in Figure 1. </p> <figure class="mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/File:Plant_categorization_tax_ideal.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/Plant_categorization_tax_ideal.svg/360px-Plant_categorization_tax_ideal.svg.png" decoding="async" width="360" height="390" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/Plant_categorization_tax_ideal.svg/540px-Plant_categorization_tax_ideal.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/51/Plant_categorization_tax_ideal.svg/720px-Plant_categorization_tax_ideal.svg.png 2x" data-file-width="300" data-file-height="325"/></a><figcaption>Fig. 1 The ideal way that plant articles are categorized in the taxonomic hierarchy</figcaption></figure> <p><em>However, this tidy system is actually rare.</em> The problem is that categories should be of a reasonable size to make navigation easier for readers, i.e. requiring the minimum amount of searching in a list and clicking through multiple pages. Neither very large categories nor very small ones are desirable. </p> <ul><li>Categories which run over several screens (say more than 50-100 entries) should be split up (diffused); this may require the use of categories for minor taxonomic ranks, such as sections or subfamilies.</li> <li>More commonly, small categories should be combined, so that, for example, species are categorized under the family or order or even a higher taxonomic rank.</li></ul> <p>Thus as of January 2014<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=WikiProject_Plants/Categorization&amp;action=edit">[update]</a></sup>, the categorization shown in Figure 2 is used for the article <i><a href="/wiki/Cabomba_aquatica" title="Cabomba aquatica">Cabomba aquatica</a></i>. </p> <figure class="mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/File:Plant_categorization_tax_example.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/92/Plant_categorization_tax_example.svg/426px-Plant_categorization_tax_example.svg.png" decoding="async" width="426" height="390" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/92/Plant_categorization_tax_example.svg/639px-Plant_categorization_tax_example.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/92/Plant_categorization_tax_example.svg/852px-Plant_categorization_tax_example.svg.png 2x" data-file-width="355" data-file-height="325"/></a><figcaption>Fig. 2 Example of plant article categorization for small genera and families</figcaption></figure> <div class="mw-heading mw-heading3"><h3 id="Monotypic_taxa" data-mw-thread-id="h-Monotypic_taxa-Taxonomic_categories"><span data-mw-comment-start="" id="h-Monotypic_taxa-Taxonomic_categories"></span>Monotypic taxa<span data-mw-comment-end="h-Monotypic_taxa-Taxonomic_categories"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Plants/Categorization&amp;action=edit&amp;section=3" title="Edit section: Monotypic taxa"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><b>Summary: categorize as appropriate to the rank, including categorizing redirects.</b> </p><p>When taxa are monotypic, a single article has to cover more than one rank. (Thus <i><a href="/wiki/Amborella" title="Amborella">Amborella</a></i> covers the family Amborellaceae, the genus <i>Amborella</i> and the species <i>Amborella tricopoda</i>.) There will be redirects from the ranks not used as the article title. Categorize each of the redirects and the article appropriately for its rank. Thus, among other categories: </p> <ul><li>The redirect <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Amborellaceae&amp;redirect=no">Amborellaceae</a></span> is put in <a href="/wiki/Category:Angiosperm_families" title="Category:Angiosperm families">Category:Angiosperm families</a></li> <li>The article <i><a href="/wiki/Amborella" title="Amborella">Amborella</a></i> is put in <a href="/wiki/Category:Angiosperm_genera" title="Category:Angiosperm genera">Category:Angiosperm genera</a></li> <li>The redirect <i><span class="plainlinks"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Amborella_trichopoda&amp;redirect=no">Amborella trichopoda</a></span></i> is put in <a href="/wiki/Category:Plants_described_in_1869" title="Category:Plants described in 1869">Category:Plants described in 1869</a>.</li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Taxonomic_rank_categories" data-mw-thread-id="h-Taxonomic_rank_categories"><span data-mw-comment-start="" id="h-Taxonomic_rank_categories"></span>Taxonomic rank categories<span data-mw-comment-end="h-Taxonomic_rank_categories"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Plants/Categorization&amp;action=edit&amp;section=4" title="Edit section: Taxonomic rank categories"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Taxonomic_rank_categories","replies":[]}}--></div> <p>There is a <em>separate</em>, parallel categorization hierarchy for plant articles about particular ranks in the taxonomic hierarchy. As of November 2018<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=WikiProject_Plants/Categorization&amp;action=edit">[update]</a></sup> this system of categorization was less complete than the main taxonomic category system for plants. In principle, there are three main hierarchies – for genera, families and orders. </p><p>Consider the genus <i>Y</i> in the family Xaceae in the order Wales in the clade V. In the ideal system: </p> <ul><li>The article on genus <i>Y</i> is placed in "Category:Xaceae genera", which is itself placed in "Category:Wales genera" (and so on upwards). This is <em>in addition</em> to placing the article in "Category:Y" or other appropriately sized taxonomic category.</li> <li>The article on family Xaceae is placed in "Category:Wales families", which is itself placed a category for the families of the appropriate higher clade.</li> <li>The article on order Wales is placed in "Category:V orders", which is itself placed in a category for the orders of the appropriate higher taxon.</li></ul> <p>This produces the ideal categorization by rank shown in Figure 3. </p> <figure class="mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/File:Plant_categorization_rank_ideal.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Plant_categorization_rank_ideal.svg/714px-Plant_categorization_rank_ideal.svg.png" decoding="async" width="714" height="390" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Plant_categorization_rank_ideal.svg/1071px-Plant_categorization_rank_ideal.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/65/Plant_categorization_rank_ideal.svg/1428px-Plant_categorization_rank_ideal.svg.png 2x" data-file-width="595" data-file-height="325"/></a><figcaption>Fig. 3 Ideal categorization of plant articles by rank</figcaption></figure> <p>As with the main taxonomic categories, in practice this system has to be modified to ensure reasonable category sizes, so that, for example, an article on a genus may be placed in the category for the genera of its order rather than the genera of its family. </p><p>Since, for example, "Category:Xaceae genera" is a member of "Category:Xaceae", the two categorization systems (one by taxon and the other by taxon rank) interact. Figure 4 shows this for an idealized categorization. In actual use, most of the links will have been created already, since they connect categories, so all that an editor normally has to do is to categorize an article about a plant species, genus, family or order. </p> <figure class="mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/File:Plant_categorization_comb_ideal.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Plant_categorization_comb_ideal.svg/892px-Plant_categorization_comb_ideal.svg.png" decoding="async" width="892" height="450" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Plant_categorization_comb_ideal.svg/1338px-Plant_categorization_comb_ideal.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Plant_categorization_comb_ideal.svg/1784px-Plant_categorization_comb_ideal.svg.png 2x" data-file-width="743" data-file-height="375"/></a><figcaption>Fig. 4 Idealized interaction between the two systems of categorization</figcaption></figure> <p>The template <span class="nowrap">{{</span><a href="/wiki/Template:Plant_taxa_category" title="Template:Plant taxa category">Plant taxa category</a><span class="nowrap">}}</span> is used to produce a standard header for taxonomic rank categories. </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Historically_recognized_plant_taxa" data-mw-thread-id="h-Historically_recognized_plant_taxa"><span data-mw-comment-start="" id="h-Historically_recognized_plant_taxa"></span>Historically recognized plant taxa<span data-mw-comment-end="h-Historically_recognized_plant_taxa"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikipedia:WikiProject_Plants/Categorization&amp;action=edit&amp;section=5" title="Edit section: Historically recognized plant taxa"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Historically_recognized_plant_taxa","replies":[]}}--></div> <p>Articles about plant taxa not used in current classification systems should be placed in one of the categories of the "historically recognized plant taxa" hierarchy shown in the figure below. The term "historically recognized" is preferred to "obsolete". </p><p>Such articles, which do not have taxoboxes, should not be placed in a normal "parent taxa" category. Thus the article <a href="/wiki/Celastraceae" title="Celastraceae">Celastraceae</a>, about a family recognized in APG III, is categorized as <a href="/wiki/Category:Rosid_families" title="Category:Rosid families">Category:Rosid families</a>. The article <a href="/wiki/Parnassiaceae" title="Parnassiaceae">Parnassiaceae</a>, a family sunk into <a href="/wiki/Celastraceae" title="Celastraceae">Celastraceae</a> in APG III, is categorized as <a href="/wiki/Category:Historically_recognized_angiosperm_families" title="Category:Historically recognized angiosperm families">Category:Historically recognized angiosperm families</a> and <em>not</em> as a rosid family. </p> <figure class="mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/File:Historically_recognized_plant_categories.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Historically_recognized_plant_categories.svg/640px-Historically_recognized_plant_categories.svg.png" decoding="async" width="640" height="337" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Historically_recognized_plant_categories.svg/960px-Historically_recognized_plant_categories.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Historically_recognized_plant_categories.svg/1280px-Historically_recognized_plant_categories.svg.png 2x" data-file-width="596" data-file-height="314"/></a><figcaption>Fig. 5 Category hierarchy for historically recognized plant taxa; an arrow means "is a subcategory of"</figcaption></figure> <ul><li>Articles about <a href="/wiki/Flowering_plant" title="Flowering plant">angiosperms</a> should be placed in one of the four "angiosperm" categories. <ul><li>Those articles which clearly and unambiguously relate to orders, families or genera should be placed in <a href="/wiki/Category:Historically_recognized_angiosperm_orders" title="Category:Historically recognized angiosperm orders">Category:Historically recognized angiosperm orders</a>, <a href="/wiki/Category:Historically_recognized_angiosperm_families" title="Category:Historically recognized angiosperm families">Category:Historically recognized angiosperm families</a> or <a href="/wiki/Category:Historically_recognized_angiosperm_genera" title="Category:Historically recognized angiosperm genera">Category:Historically recognized angiosperm genera</a>. Orders will almost always have names ending in "-ales", families in "-aceae". Examples: <ul><li><a href="/wiki/Bromeliales" title="Bromeliales">Bromeliales</a> can only be used an order, given the ending, so is placed in <a href="/wiki/Category:Historically_recognized_angiosperm_orders" title="Category:Historically recognized angiosperm orders">Category:Historically recognized angiosperm orders</a>.</li> <li><a href="/wiki/Myrsinaceae" class="mw-redirect" title="Myrsinaceae">Myrsinaceae</a> (not recognized in APG III) can only be a family, given the ending, so is placed in <a href="/wiki/Category:Historically_recognized_angiosperm_families" title="Category:Historically recognized angiosperm families">Category:Historically recognized angiosperm families</a>.</li> <li><i><a href="/wiki/Orobus" class="mw-redirect" title="Orobus">Orobus</a></i> is a genus no longer used (and cannot be a name for a higher rank) so is placed in <a href="/wiki/Category:Historically_recognized_angiosperm_genera" title="Category:Historically recognized angiosperm genera">Category:Historically recognized angiosperm genera</a>.</li></ul></li> <li>Articles about taxa with names which can be used at different levels according to the ICN or that were not historically used for orders, families or genera should be placed in <a href="/wiki/Category:Historically_recognized_angiosperm_taxa" title="Category:Historically recognized angiosperm taxa">Category:Historically recognized angiosperm taxa</a>. <ul><li><a href="/w/index.php?title=Helobiae&amp;action=edit&amp;redlink=1" class="new" title="Helobiae (page does not exist)">Helobiae</a> was an order, but the name is not unambiguously reserved for this rank, so is categorized at <a href="/wiki/Category:Historically_recognized_angiosperm_taxa" title="Category:Historically recognized angiosperm taxa">Category:Historically recognized angiosperm taxa</a>.</li> <li><a href="/wiki/Galearieae" title="Galearieae">Galearieae</a> is a tribal name that is no longer used; as it's not an order, family or genus it is categorized at <a href="/wiki/Category:Historically_recognized_angiosperm_taxa" title="Category:Historically recognized angiosperm taxa">Category:Historically recognized angiosperm taxa</a>.</li></ul></li></ul></li> <li>Articles about other groups of plants (e.g. bryophytes, pteridophytes, gymnosperms) should be placed in one of the four "historically recognized plant" categories, using the same logic as above to decide which of the four to use. Examples: <ul><li><a href="/wiki/Taxodiaceae" title="Taxodiaceae">Taxodiaceae</a> was used for a gymnosperm family (as shown by the ending), so is categorized at <a href="/wiki/Category:Historically_recognized_plant_families" title="Category:Historically recognized plant families">Category:Historically recognized plant families</a>.</li> <li><a href="/wiki/Cryptogamae" class="mw-redirect" title="Cryptogamae">Cryptogamae</a> is an alternative name for one of Linnaeus's "classes", so it's categorized at <a href="/wiki/Category:Historically_recognized_plant_taxa" title="Category:Historically recognized plant taxa">Category:Historically recognized plant taxa</a>. (Note that it's the <em>redirect</em> by this scientific name which is categorized, not the article <a href="/wiki/Cryptogam" title="Cryptogam">Cryptogam</a>, which is titled by a common name.)</li></ul></li></ul> <!-- NewPP limit report Parsed by mw‐api‐int.codfw.main‐55fb8d7f4f‐pzh6d Cached time: 20241109203622 Cache expiry: 2592000 Reduced expiry: false Complications: [show‐toc] DiscussionTools time usage: 0.009 seconds CPU time usage: 0.109 seconds Real time usage: 0.150 seconds Preprocessor visited node count: 3029/1000000 Post‐expand include size: 17844/2097152 bytes Template argument size: 17774/2097152 bytes Highest expansion depth: 13/100 Expensive parser function count: 2/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 451/5000000 bytes Lua time usage: 0.019/10.000 seconds Lua memory usage: 993684/52428800 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 110.618 1 -total 52.54% 58.124 1 Wikipedia:WikiProject_Plants/Tab_header 47.92% 53.007 1 Template:Start_tab 25.99% 28.748 1 Template:Namespace_detect 19.19% 21.225 2 Template:As_of 15.81% 17.490 1 Template:Hatnote 15.69% 17.351 9 Template:Tab 8.39% 9.281 2 Template:DMCA 7.77% 8.598 9 Template:Tab/Number_of_defined_parameters 6.38% 7.062 2 Template:Dated_maintenance_category --> <!-- Saved in parser cache with key enwiki:pcache:idhash:40936532-0!canonical and timestamp 20241109203622 and revision id 870798738. 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