{{Short description|Species of flowering plant}} {{Speciesbox | image = Winged-seed draba imported from iNaturalist photo 324380231 on 12 March 2024.jpg | genus = Draba | species = pterosperma | authority = Payson }}
'''''Draba pterosperma''''' is an uncommon species of flowering plant in the family Brassicaceae known by the common name '''wingedseed draba'''. It is endemic to Siskiyou County, California, where it is known only from the Marble and Salmon Mountains of the Klamath Range. It is a small perennial herb forming dense mats or cushions of hairy, oval-shaped leaves each no more than a centimeter long. The erect inflorescence bears several white flowers that yield flat oval-shaped siliques containing winged seeds.
==External links== *[http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?2240,2428,2453 Jepson Manual Treatment] *[https://plants.usda.gov/java/profile?symbol=DRPT USDA Plants Profile] *[http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Draba+pterosperma Photo gallery]
{{Taxonbar|from=Q5304600}}
pterosperma Category:Endemic flora of California Category:Natural history of Siskiyou County, California Category:Flora without expected TNC conservation status
{{Brassicaceae-stub}}