Physaria calcicola |
Physaria klausii |
|
---|---|---|
Rocky Mountain bladderpod |
Rogers Pass or klaus' or divide bladderpod |
|
Habit | Perennials; (compact); caudex branched; densely (silvery) pubescent, trichomes (sessile or short-stalked), 5–8-rayed, rays distinct, furcate or bifurcate, (umbonate, tuberculate and the center less so). | Perennials; caudex simple; densely pubescent, trichomes (loosely spreading), 3–5-rayed, rays distinct, furcate (with exceptionally long branches). |
Stems | several from base, erect or outer ones decumbent, (unbranched, stout, usually sparsely leaved), 1–3 dm. |
simple from base, erect to decumbent, (slender), 0.6–1.5 dm. |
Basal leaves | blade linear, 2–7(–10) cm, margins entire, repand, or shallowly dentate. |
blades obovate to deltate, 1.5–3(–4) cm, margins entire or outer one with 1 or 2 broad teeth. |
Cauline leaves | (sessile); blade (erect), spatulate to linear, (1–)2–3(–4.5) cm, margins entire, sometimes involute, (apex acute or subacute). |
blade oblanceolate to spatulate, 0.6–1.5 cm, margins entire. |
Racemes | dense, (exceeding basal leaves). |
loose. |
Flowers | sepals ovate or oblong, (4.5–)5–6(–7) mm, (lateral pair subsaccate, cucullate, median pair thickened, cucullate apically); petals spatulate, 7–9(–11) mm (widened at base, slightly retuse). |
sepals (green-yellow, often tinged with purple), elliptic, 3–4.6 mm; petals oblanceolate, 6–8 mm (claw expanded). |
Fruiting pedicels | (spreading, sharply sigmoid), 8–15 mm. |
(sigmoid), 5–9 mm. |
Fruits | (sessile or substipitate), ovate to oblong, not compressed at distal margins or apex, 5–9 mm; valves sparsely pubescent, trichomes appressed; ovules 4–8 per ovary; style 3–5 mm. |
(depressed), broadly obovate, compressed (angustiseptate), 2–4 mm, (apex slightly bilobed to nearly truncate); valves densely pubescent, trichomes strongly ascending, spreading, long, (appearing fuzzy), pubescent inside; ovules 4 per ovary; style 3–4 mm, (pubescent or glabrous). |
Seeds | flattened. |
flattened. |
2n | = 16, ca. 20. |
|
Physaria calcicola |
Physaria klausii |
|
Phenology | Flowering May–Jun. | Flowering Jul. |
Habitat | Shale bluffs, limestone hillsides, gypseous knolls and ravines, calcareous substrates, grasslands and pinyon-juniper communities | Open gravel slides, solifluction cross-stripes of shale rubble, barren shale-derived soil |
Elevation | 1400-2100 m (4600-6900 ft) | 1200-1900 m (3900-6200 ft) |
Distribution |
CO; NM
|
MT |
Discussion | Of conservation concern. (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. 629. | FNA vol. 7, p. 647. |
Parent taxa | Brassicaceae > tribe Physarieae > Physaria | Brassicaceae > tribe Physarieae > Physaria |
Sibling taxa | ||
Synonyms | Lesquerella calcicola | Lesquerella klausii |
Name authority | (Rollins) O’Kane & Al-Shehbaz: Novon 12: 322. (2002) | (Rollins) O’Kane & Al-Shehbaz: Novon 12: 325. (2002) |
Web links |