| 词条 | Physaria lepidota |
| 释义 |
|name = Kane County twinpod |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Rosids |ordo = Brassicales |familia = Brassicaceae |genus = Physaria |species = P. lepidota |binomial = Physaria lepidota |binomial_authority = Rollins |synonyms=(for subsp. membranacea)
|synonyms_ref=[1] }}Physaria lepidota, common name Kane County twinpod, is a plant species endemic to Utah. It is known only from Kane, Washington, and Garfield Counties in the southern part of the state.[2] It grows on rocky slopes and outcrops, and sometimes in disturbed areas.[3]Physaria lepidota is a perennial herb with most of the above-ground parts covered with a silvery pubescence. Stems branch at the base but rarely above, sometimes reaching a height of 20 cm (8 inches). Flowers are yellow, born in a dense raceme. Fruits are highly inflated, up to 20 mm (0.8 inches) across with purplish papery walls.[4][5] SubspeciesDespite the limited range of the species, two subspecies are generally recognized, differing in the shapes of the fruits and of the hairs in the pubescence:[6][7] Physaria lepidota subsp. lepidotaand Physaria lepidota subsp. membranaceaThe two subspecies also differ in chromosome number (2n=16 for subsp. lepidota, 2n=8 for subsp. membranacea).[3] References1. ^The Plant List {{Taxonbar|from=Q16988058}}2. ^USDA Plant Resources Conservation Service, Plants Profile 3. ^1 Flora of North America v 7 p 648. 4. ^Rollins, R. C. 1981. Studies in the genus Physaria (Cruciferae). Brittonia 33(3): 332–341. 5. ^Holmgren, N. H., P. K. Holmgren & A.J. Cronquist. 2005. Vascular plants of the intermountain west, U.S.A., subclass Dilleniidae. 2(B): 1–488. In A.J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermountain Flora. Hafner Publishing Co., New York. 6. ^[https://www.biodiversitylibrary.org/page/11159609#page/547/mode/1up O'Kane, Steve Lawrence. Novon 17(4): 531. 2007.] 7. ^[https://www.jstor.org/discover/10.2307/2806423?uid=3739888&uid=2134&uid=2&uid=70&uid=4&uid=3739256&sid=21103379764711 Rollins, Reed Clark. Studies in the genus Physaria (Cruciferae). Brittonia 33(3): 338. 1981.] 4 : Physaria|Flora of Utah|Endemic flora of the United States|Kane County, Utah |
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