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Mexipedium
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{{Short description|Genus of flowering plants}} {{Speciesbox | image = Mexipedium xerophyticum Orchi 01.jpg | status = CR | status_system = IUCN3.1 | status_ref = <ref name=IUCN>{{cite iucn |author=Rankou, H. |year=2016 |title=''Mexipedium xerophyticum'' |volume=2016 |page=e.T43316959A43327764 |doi=10.2305/IUCN.UK.2016-1.RLTS.T43316959A43327764.en |access-date=11 February 2025}}</ref> | status2 = CITES_A1 | status2_system = CITES | status2_ref = <ref>{{Cite web|title=Appendices {{!}} CITES|url=https://cites.org/eng/app/appendices.php|access-date=2022-01-14|website=cites.org}}</ref> | taxon = Mexipedium xerophyticum | parent_authority = [[V.A.Albert]] & [[Mark Wayne Chase|M.W.Chase]] | authority = ([[Miguel Ángel Soto Arenas|Soto Arenas]], [[Gerardo A. Salazar|Salazar]] & [[Eric Hágsater|Hágsater]]) [[V.A.Albert]] & [[Mark Wayne Chase|M.W.Chase]] | synonyms = ''Phragmipedium xerophyticum'' {{au|Soto Arenas, Salazar & Hágsater}} | synonyms_ref = | range_map =Mexipedium distribution map.png }} '''''Mexipedium''''' is a [[monotypic]] [[genus]] of the [[Orchidaceae|orchid]] family Orchidaceae, subfamily [[Cypripedioideae]], consisting of only one species, '''''Mexipedium xerophyticum'''''. It is also the sole genus of [[tribe (biology)|tribe]] '''Mexipedieae''' and [[subtribe]] '''Mexipediinae'''.<ref name=albert1992>{{cite journal |last=Albert |first=V. A. |author2=Chase, M. W. |year=1992 |title=''Mexipedium'': a new genus of slipper orchid (Cypripedioideae: Orchidaceae) |journal=Lindleyana |volume=7 |issue=3 |pages=172–176 |url=https://secure.aos.org/digital-library/199203lind_07-03/index.html#55 |url-access=limited }}</ref> ==Taxonomy and discovery== This species was initially described as ''Phragmipedium xerophyticum'' by Soto Arenas, Salazar & Hágsater in 1990, but transferred to its own genus by Albert & Chase in 1992, in part based on results from [[DNA]] analysis.<ref name=albert1992/> The genus ''Mexipedium'' is listed as ''Phragmipedium'' in Appendix I of the [[Convention on International Trade in Endangered Species]] (CITES), and for other legal purposes. Allied genera include ''[[Cypripedium]]'', ''[[Paphiopedilum]]'', ''[[Selenipedium]]'' and ''[[Phragmipedium]]''. Its name is derived from the country of origin Mexico and the Latin ''{{lang|la|pes}}'' (“foot”), referring to the slipper-shaped [[Labellum (botany)|lip]]. The [[specific epithet]] ''xerophyticum'' is from the [[Greek language|Greek]] ''ξηρός'' (''xērós'', "dry") and ''φυτόν'' (''phutón'', "plant"), referring to its preference for dry conditions. ''Mexipedium xerophyticum'' is known from a single location in [[Oaxaca]], [[Mexico]]. Only seven plants were observed at the time of its discovery. ''Mexipedium'' was recently rediscovered in a nearby locality.<ref name=perez2010>{{cite journal|last1=Pérez-García|first1=E. A.|title=El redescubrimiento de ''Mexipedium xerophyticum'' (Soto Arenas, Salazar & Hágsater) V.A. Albert & M.W. Chase|journal=Lankesteriana|date=2010|volume=9|issue=3|pages=557–563|url=http://revistas.ucr.ac.cr/index.php/lankesteriana/article/viewFile/12118/11404}}</ref> A small number of plants were removed for propagation in case plant hunters eradicated the wild stock. Plants are now available as propagules. ==Description and habitat== This is a [[lithophyte|lithophytic]] orchid, growing on cliffs, shielded from the sun, at an elevation of {{convert|320|m|ft|abbr=on}}.<ref name=perez2010/> But it grows as well on rocks or in the [[detritus]] in crevasses. Its growth form is unusual in that it tends to spread by runners, offset from the parent plant by several centimeters. The silvery-green [[leaf|leaves]] are small, stiff and semi-erect. The tiny white-pink flowers show a shieldlike, pinkish [[staminode]] and a slipper-shaped [[Labellum (botany)|lip]]. The curved [[petal]]s are scythe-shaped. Inflorescences are multifloral and branched. <gallery> File:Mexipedium xerophyticum Orchi 010.jpg|Plant File:Mexipedium xerophyticum Orchi 038.jpg|Leaves File:Mexipedium xerophyticum Orchi 008 (cropped).jpg|Flower </gallery> ==References== {{Reflist}} {{Refbegin}} *{{cite journal |last=Cox |first=A. V. |author2=Pridgeon, A. M. |author3=Albert, V. A. |author4= Chase, M. W. |year=1997 |title=Phylogenetics of the slipper orchids (Cypripedioideae: Orchidaceae): nuclear rDNA ITS sequences |journal=Plant Systematics and Evolution |volume=208 |issue=3–4 |pages=197–223 |doi=10.1007/BF00985442 |bibcode=1997PSyEv.208..197C |s2cid=23621128 }} *{{cite book |title=Genera Orchidacearum |volume=1 |last=Pridgeon |first=A. M. |author2=Cribb, P. J. |author3=Chase, M. W. |author4= Rasmussen, F. N. |year=1999 |publisher=Oxford University Press |location=New York |isbn=0-19-850513-2 }} {{Refend}} == External links == {{Commons-inline|Mexipedium|''Mexipedium''}} {{Taxonbar|from1=Q2528348|from2=Q2428070|from3=Q14698671|from4=Q135713}} [[Category:Cypripedioideae]] [[Category:Orchid genera]] [[Category:Monotypic orchid genera]] [[Category:Endemic orchids of Mexico]] [[Category:Flora of Oaxaca]] [[Category:Terrestrial orchids]]
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