Physaria parvula

(Greene) O’Kane & Al-Shehbaz

Novon 12: 326. 2002.

Common names: Pygmy bladderpod
Basionym: Lesquerella parvula Greene Pittonia 4: 308. 1901
Synonyms: Lesquerella alpina subsp. parvula (Greene) Rollins & E. A. Shaw Lesquerella alpina var. parvula (Greene) S. L. Welsh & Reveal
Treatment appears in FNA Volume 7. Treatment on page 657. Mentioned on page 621, 645.

Perennials; caudex (buried), usually branched, sometimes simple, (cespitose); densely pubescent, trichomes (appressed), 4–7-rayed, rays distinct, furcate or bifurcate near base. Stems few to several from base, erect, (unbranched, slender), 0.3–1.5(–3) dm. Basal leaves (tufted, erect); blade linear to very narrowly spatulate, 1–3(–4) cm, margins entire (involute). Cauline leaves similar to basal. Racemes relatively dense. Fruiting pedicels (ascending, curved or sigmoid), 2–10 mm. Flowers: sepals (greenish yellow), elliptic, 3.5–7 mm; petals spatulate, 5–6 mm, (not clawed). 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. Seeds flattened, (mucilaginous). 2n = 10, 20.


Phenology: Flowering May–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
Elevation: 1800-2800 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Physaria parvula"
Steve L. O’Kane Jr. +
(Greene) O’Kane & Al-Shehbaz +
Lesquerella parvula +
Pygmy bladderpod +
Colo. +, Utah +  and Wyo. +
1800-2800 m +
Exposed windblown ridges, gravelly hills, open rocky knolls, gravelly hilltops, clay hillsides, granitic sand, reddish soil, sagebrush, mountain scrub, and pinyon-juniper areas +
Flowering May–Jul. +
Lesquerella alpina subsp. parvula +  and Lesquerella alpina var. parvula +
Physaria parvula +
Physaria +
species +