Physaria parvula |
Physaria curvipes |
|
---|---|---|
pygmy bladderpod |
curved 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; caudex simple; densely pubescent, trichomes (often wavy, closely appressed to blade surfaces), 4–5-rayed, rays furcate or bifurcate, slightly fused near base, (tuberculate throughout). |
Stems | few to several from base, erect, (unbranched, slender), 0.3–1.5(–3) dm. |
simple from base, loosely spreading, usually decumbent, (well exserted from basal leaves, often reddish purple), 0.8–2.4 dm. |
Basal leaves | (tufted, erect); blade linear to very narrowly spatulate, 1–3(–4) cm, margins entire (involute). |
blade (erect), spatulate to nearly rhombic, 2.5–5(–9) cm, (base gradually narrowed to petiole), margins entire, (flat). |
Cauline leaves | similar to basal. |
blade spatulate, similar to basal, margins entire. |
Racemes | relatively dense. |
loose, (elongated, exceeding basal leaves). |
Flowers | sepals (greenish yellow), elliptic, 3.5–7 mm; petals spatulate, 5–6 mm, (not clawed). |
sepals (pale yellow), lingulate to spatulate, 3.5–4 mm; petals narrowly oblanceolate, 4–6 mm. |
Fruiting pedicels | (ascending, curved or sigmoid), 2–10 mm. |
(ascending, curved or sigmoid), 4–7 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. |
ellipsoid, not inflated (strongly latiseptate, more so at apex), (3–)5–9 mm; valves pubescent, trichomes closely appressed to surface; ovules 4–8 per ovary; style 2.5–4.5 mm (never more than 1/2 fruit length). |
Seeds | flattened, (mucilaginous). |
plump. |
2n | = 10, 20. |
|
Physaria parvula |
Physaria curvipes |
|
Phenology | Flowering May–Jul. | Flowering Jun–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 | Limestone outcrops |
Elevation | 1800-2800 m (5900-9200 ft) | 1600-2800 m (5200-9200 ft) |
Distribution |
CO; UT; WY
|
MT; WY |
Discussion | Physaria curvipes is known from the Big Horn Mountains. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 7, p. 657. | FNA vol. 7, p. 632. |
Parent taxa | Brassicaceae > tribe Physarieae > Physaria | Brassicaceae > tribe Physarieae > Physaria |
Sibling taxa | ||
Synonyms | Lesquerella parvula, Lesquerella alpina subsp. parvula, Lesquerella alpina var. parvula | Lesquerella curvipes |
Name authority | (Greene) O’Kane & Al-Shehbaz: Novon 12: 326. (2002) | (A. Nelson) Grady & O’Kane: Novon 17: 183. (2007) |
Web links |