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Physaria pulvinata
Physaria pulvinata is a flowering plant species in the family Brassicaceae known by the common name cushion bladderpod. It is a rare species endemic to the Mancos Shale Barrens of Dolores and San Miguel counties in southwest Colorado. Described by Steve O'Kane and James L. Reveal in 2006, this plant grows in dense mats with yellow flowers, gray stellate hairs, and ellipsoid fruits. This plant is considered a sensitive species and faces many threats including grazing, road construction, shale mining, invasive species and climate change.
Physaria pulvinata is a rare species endemic to a few small areas of Dolores County and San Miguel County in western Colorado. Its distribution is restricted to the Mancos Shale barrens located at the eastern edge of the Colorado Plateau within the Dolores River Basin. This area is semi-desert with mountains to the east and desert in all other directions. It is found at elevations ranging from 2,299–2,587 meters (7,543–8,488 ft). The estimated range of P. pulvinata is very small due to its habitat requirement and is estimated at around 55 square kilometers (21 square miles). Its range is owned or managed by a variety of parties including 35% privately held, 52% managed by Colorado Parks and Wildlife (including 32% in State Parks), 8% managed by the US Forest Service, 4% by the SLB and 1% by the US Bureau of Land Management. A main site where P. pulvinata has been documented is Lone Mesa State Park. P. physaria's range is characterized by highly localized summer thunderstorms with august being the wettest month.
Bladderpod · Avery Peak twinpod · Arctic Bladderpod · Front Range twinpod · Chambers' twinpod · Dudley Bluffs Bladderpod · Common twinpod · Fendler's Bladderpod · Missouri Bladderpod · Pointtip twinpod · Fremont Bladderpod · Globe Bladderpod
Text excerpted from the Wikipedia article Physaria pulvinata by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
