Physaria parviflora |
Physaria pendula |
|
---|---|---|
frosty bladderpod, Piceance bladderpod, Picenace bladderpod |
Snake Range bladderpod |
|
Habit | Perennials; caudex simple or branched; densely (silvery) pubescent, trichomes (irregularly radiate), 6–8-rayed, rays furcate or bifurcate, fused at base. | Perennials; caudex simple; densely pubescent, trichomes 5–7-rayed, rays bifurcate or trifurcate. |
Stems | several from base, prostrate to decumbent, (usually unbranched, rarely branched distally), 1–3 dm. |
several from base, erect or outer usually decumbent toward base, (from below a terminal tuft of mostly erect leaves, unbranched), 1–2 dm. |
Basal leaves | (tufted); blade broadly obovate, 1–2 cm, margins entire or with 1 or 2 broad teeth, (apex rounded to obtuse). |
blade ovate to elliptic, 2–4 cm, (base gradually narrowed to petiole), margins entire, (surfaces densely pubescent with trichome layers). |
Cauline leaves | blade oblanceolate to nearly oblong, similar to basal, (base cuneate), margins entire. |
(remote, proximal shortly petiolate); blade spatulate to oblanceolate, similar to basal, (base often cuneate), margins entire. |
Racemes | (secund), loose, (elongated in fruit). |
elongated. |
Flowers | sepals (yellowish), elliptic to lanceolate, (2–)3–4 mm; petals spatulate, (3.9–)5–7 mm. |
sepals linear-oblong, 5–7 mm, (lateral pair subsaccate); petals (erect), lingulate, 8–10 mm, (claw barely differentiated from blade). |
Fruiting pedicels | (recurved), 6–8(–12) mm. |
(recurved), 7–10 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. |
(usually pendent, sessile), subglobose, slightly flattened (angustiseptate), 4–5 mm; valves densely pubescent, trichomes somewhat spreading; ovules 8–12 per ovary; style 4–5 mm. |
Seeds | somewhat flattened. |
plump, (mucilaginous when wetted). |
Physaria parviflora |
Physaria pendula |
|
Phenology | Flowering Jun–Jul. | Flowering May–Jun. |
Habitat | Shale of steep slopes, rock crevices, ledges, canyon sides, shale-marlstone | Limestone gravel and cobbles, typically with junipers |
Elevation | 2100-2700 m (6900-8900 ft) | 1700-2100 m (5600-6900 ft) |
Distribution |
CO
|
NV |
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.) |
Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 7, p. 657. | FNA vol. 7, p. 657. |
Parent taxa | Brassicaceae > tribe Physarieae > Physaria | Brassicaceae > tribe Physarieae > Physaria |
Sibling taxa | ||
Synonyms | Lesquerella parviflora | Lesquerella pendula |
Name authority | (Rollins) O’Kane & Al-Shehbaz: Novon 12: 326. (2002) | (Rollins) O’Kane & Al-Shehbaz: Novon 12: 326. (2002) |
Web links |