Physaria parvula |
Physaria lesicii |
|
---|---|---|
pygmy bladderpod |
Pryor Mountains bladderpod |
|
Habit | Perennials; caudex (buried), usually branched, sometimes simple, (cespitose); densely pubescent, trichomes (appressed), 4–7-rayed, rays distinct, furcate or bifurcate near 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 | few to several from base, erect, (unbranched, slender), 0.3–1.5(–3) dm. |
simple from base, erect to decumbent, (unbranched, mostly filiform, slender), 1–1.5 dm. |
Basal leaves | (tufted, erect); blade linear to very narrowly spatulate, 1–3(–4) cm, margins entire (involute). |
(erect, petiole slender); blades broadly ovate to elliptic, 0.5–1 cm, (base abruptly narrowing to petiole), margins entire. |
Cauline leaves | similar to basal. |
(remote, distally shortly petiolate); blade ± spatulate, (base cuneate), margins entire. |
Racemes | relatively dense. |
lax, (elongated, few-flowered). |
Flowers | sepals (greenish yellow), elliptic, 3.5–7 mm; petals spatulate, 5–6 mm, (not clawed). |
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 | (ascending, curved or sigmoid), 2–10 mm. |
(recurved to widely spreading, filiform, slender), 5–10 mm. |
Fruits | (erect), ovoid (or longer than broad), usually inflated, 4–5 mm, (apex acute, slightly flattened); valves pubescent, trichomes appressed; ovules 4–8 per ovary; style 2–4 mm. |
(pendent), globose or subglobose, compressed, 3–4 mm; valves ± densely pubescent; ovules 6–10 per ovary; style ca. 1.5 mm. |
Seeds | flattened, (mucilaginous). |
not seen. |
2n | = 10, 20. |
|
Physaria parvula |
Physaria lesicii |
|
Phenology | Flowering May–Jul. | Flowering Jun(-early Jul). |
Habitat | Exposed windblown ridges, gravelly hills, open rocky knolls, gravelly hilltops, clay hillsides, granitic sand, reddish soil, sagebrush, mountain scrub, and pinyon-juniper areas | 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 | 1800-2800 m (5900-9200 ft) | 1600-2000 m (5200-6600 ft) |
Distribution |
CO; UT; WY
|
MT |
Discussion | 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 parvula, Lesquerella alpina subsp. parvula, Lesquerella alpina var. parvula | Lesquerella lesicii |
Name authority | (Greene) O’Kane & Al-Shehbaz: Novon 12: 326. (2002) | (Rollins) O’Kane & Al-Shehbaz: Novon 12: 325. (2002) |
Web links |