Physaria parviflora |
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frosty bladderpod, Piceance bladderpod, Picenace bladderpod |
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Habit | Perennials; caudex simple or branched; densely (silvery) pubescent, trichomes (irregularly radiate), 6–8-rayed, rays furcate or bifurcate, fused at base. |
Stems | several from base, prostrate to decumbent, (usually unbranched, rarely branched distally), 1–3 dm. |
Basal leaves | (tufted); blade broadly obovate, 1–2 cm, margins entire or with 1 or 2 broad teeth, (apex rounded to obtuse). |
Cauline leaves | blade oblanceolate to nearly oblong, similar to basal, (base cuneate), margins entire. |
Racemes | (secund), loose, (elongated in fruit). |
Flowers | sepals (yellowish), elliptic to lanceolate, (2–)3–4 mm; petals spatulate, (3.9–)5–7 mm. |
Fruiting pedicels | (recurved), 6–8(–12) mm. |
Fruits | (usually pendent), elliptic to subglobose, usually slightly compressed (latiseptate), 3–4 mm; valves densely pubescent, sometimes with scattered trichomes inside; ovules 4 per ovary; style ca. 3 mm. |
Seeds | somewhat flattened. |
Physaria parviflora |
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Phenology | Flowering Jun–Jul. |
Habitat | Shale of steep slopes, rock crevices, ledges, canyon sides, shale-marlstone |
Elevation | 2100-2700 m (6900-8900 ft) |
Distribution |
CO
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Discussion | Of conservation concern. Physaria parviflora is known from the Parachute Creek Member of the Green River Formation, Rio Blanco County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 7, p. 657. |
Parent taxa | Brassicaceae > tribe Physarieae > Physaria |
Sibling taxa | |
Synonyms | Lesquerella parviflora |
Name authority | (Rollins) O’Kane & Al-Shehbaz: Novon 12: 326. (2002) |
Web links |