Physaria geyeri |
Physaria rectipes |
|||||
---|---|---|---|---|---|---|
Geyer's bladderpod, Geyer's twin-pod |
straight bladderpod |
|||||
Habit | Perennials; caudex usually simple, (cespitose); (silvery) pubescent throughout, trichomes (sessile), 6–8-rayed, rays mostly furcate, (tuberculate to nearly smooth). | Perennials; (loose, spreading); caudex simple or branched; densely pubescent, trichomes (subsessile), 4–6-rayed, rays furcate or bifurcate, (moderately tuberculate over arms, less so or smooth over center). | ||||
Stems | several from base, decumbent, (arising laterally, unbranched), 1–3 dm. |
few to several from base, ascending or prostrate, (arising laterally, also from within basal leaves, usually unbranched, rarely branched), 0.5–3(–6) dm. |
||||
Basal leaves | (numerous); (petiole slender, rarely with a few broad teeth); blade obovate, 3–7 cm, margins entire. |
blade narrowly oblanceolate or broadly elliptic, 1–7(–12) cm, margins entire or shallowly toothed, sometimes repand, (inner blades usually flattened in age, surfaces often gray-green, scabrous). |
||||
Cauline leaves | blade oblanceolate, 1.5–3 cm, margins entire. |
(usually secund); blade spatulate or obovate, 1–2.5(–4.5) cm, margins entire or shallowly toothed, (flat or involute). |
||||
Racemes | loose. |
somewhat crowded (to moderately elongated in fruit, exceeding basal leaves). |
||||
Flowers | sepals oblong, 5–7 mm; petals (yellow to purplish), spatulate, 8–12 mm. |
sepals broadly elliptic or oblong, 4–7.5(–9) mm, (median pair thickened apically, cucullate); petals cuneate or obovate, 7–10(–16) mm, (tapering gradually to broad claw). |
||||
Fruiting pedicels | (ascending or spreading, slightly curved or sigmoid), 1–2 cm. |
(often divaricate-spreading and straight, or horizontal and loosely sigmoid, sometimes slightly recurved), 5–15 mm. |
||||
Fruits | obcordate, angustiseptate, somewhat inflated, (not bladdery), 5–7 × 6–9 mm, (papery, basal sinus absent, apical sinus broad and open); valves (retaining seeds after dehiscence), loosely pubescent, trichomes spreading; replum ovate, 5–7 mm, as wide as or wider than fruit, apex acute or obtuse; ovules 4–6 per ovary; style 5–7 mm. |
subglobose to ovoid or ellipsoid, sometimes compressed, (4–)5–7(–9) mm; valves sparsely pubescent, trichomes appressed or erect, sometimes sparsely pubescent inside; ovules (8–)12–16(–20) per ovary; style 2–7 mm. |
||||
Seeds | somewhat flattened. |
|||||
2n | = 10 + 2, 18, 20, ± 40. |
|||||
Physaria geyeri |
Physaria rectipes |
|||||
Phenology | Flowering May–Jul. | |||||
Habitat | Sandy soils, limey knolls, rocky hills, clay hillsides, dry ridges, weathered rocks, gravelly outwashes, stony slopes, pinyon-juniper woodlands | |||||
Elevation | 1500-2600 m (4900-8500 ft) | |||||
Distribution |
ID; MT; OR; WA
|
AZ; CO; NM; UT
|
||||
Discussion | Subspecies 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
As here circumscribed, Physaria rectipes remains heterogeneous and may represent more than one taxon, even after the recent removal of P. pulvinata. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
||||
Key |
|
|||||
Source | FNA vol. 7, p. 638. | FNA vol. 7, p. 660. | ||||
Parent taxa | Brassicaceae > tribe Physarieae > Physaria | Brassicaceae > tribe Physarieae > Physaria | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Vesicaria geyeri, Coulterina geyeri, Lesquerella geyeri | Lesquerella rectipes | ||||
Name authority | (Hooker) A. Gray: Gen. Amer. Bor. 1: 162. (1848) | (Wooton & Standley) O’Kane & Al-Shehbaz: Novon 12: 327. (2002) | ||||
Web links |