Physaria parviflora |
Physaria lesicii |
|
---|---|---|
frosty bladderpod, Piceance bladderpod, Picenace bladderpod |
Pryor Mountains bladderpod |
|
Habit | Perennials; caudex simple or branched; densely (silvery) pubescent, trichomes (irregularly radiate), 6–8-rayed, rays furcate or bifurcate, fused at base. | Perennials; (delicate, short-lived); caudex simple, (sometimes elongated, covered with persistent leaf bases); usually sparsely pubescent, trichomes 7–12-rayed, rays furcate near base. |
Stems | several from base, prostrate to decumbent, (usually unbranched, rarely branched distally), 1–3 dm. |
simple from base, erect to decumbent, (unbranched, mostly filiform, slender), 1–1.5 dm. |
Basal leaves | (tufted); blade broadly obovate, 1–2 cm, margins entire or with 1 or 2 broad teeth, (apex rounded to obtuse). |
(erect, petiole slender); blades broadly ovate to elliptic, 0.5–1 cm, (base abruptly narrowing to petiole), margins entire. |
Cauline leaves | blade oblanceolate to nearly oblong, similar to basal, (base cuneate), margins entire. |
(remote, distally shortly petiolate); blade ± spatulate, (base cuneate), margins entire. |
Racemes | (secund), loose, (elongated in fruit). |
lax, (elongated, few-flowered). |
Flowers | sepals (yellowish), elliptic to lanceolate, (2–)3–4 mm; petals spatulate, (3.9–)5–7 mm. |
sepals (erect), oblong, 3.5–4 mm, (lateral pair not saccate); petals (often fading to light purple apically), spatulate to nearly lingulate, 6–7 mm. |
Fruiting pedicels | (recurved), 6–8(–12) mm. |
(recurved to widely spreading, filiform, slender), 5–10 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. |
(pendent), globose or subglobose, compressed, 3–4 mm; valves ± densely pubescent; ovules 6–10 per ovary; style ca. 1.5 mm. |
Seeds | somewhat flattened. |
not seen. |
Physaria parviflora |
Physaria lesicii |
|
Phenology | Flowering Jun–Jul. | Flowering Jun(-early Jul). |
Habitat | Shale of steep slopes, rock crevices, ledges, canyon sides, shale-marlstone | Pryor Mountains, on limestone soils in woodlands of Rocky Mountain juniper and/or mountain mahogany, and widely scattered Douglas-fir, fellfields dominated by bluebunch wheatgrass and cushion plants |
Elevation | 2100-2700 m (6900-8900 ft) | 1600-2000 m (5200-6600 ft) |
Distribution |
CO
|
MT |
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. 649. |
Parent taxa | Brassicaceae > tribe Physarieae > Physaria | Brassicaceae > tribe Physarieae > Physaria |
Sibling taxa | ||
Synonyms | Lesquerella parviflora | Lesquerella lesicii |
Name authority | (Rollins) O’Kane & Al-Shehbaz: Novon 12: 326. (2002) | (Rollins) O’Kane & Al-Shehbaz: Novon 12: 325. (2002) |
Web links |