Physaria douglasii |
Physaria pendula |
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Columbia bladder-pod, Douglas' bladder-pod |
Snake Range bladderpod |
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Habit | Perennials; caudex simple; densely pubescent, trichomes (sessile or nearly so), 4–6(–10)-rayed, rays usually furcate near base, rarely bifurcate, (umbonate, tuberculate throughout). | Perennials; caudex simple; densely pubescent, trichomes 5–7-rayed, rays bifurcate or trifurcate. | ||||
Stems | simple from base, erect, (usually unbranched), to 4.5 dm. |
several from base, erect or outer usually decumbent toward base, (from below a terminal tuft of mostly erect leaves, unbranched), 1–2 dm. |
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Basal leaves | blade suborbicular to elliptic, 2–9.5(–11.5) cm, margins entire, sinuate, coarsely dentate, or almost lyrate-pinnatifid. |
blade ovate to elliptic, 2–4 cm, (base gradually narrowed to petiole), margins entire, (surfaces densely pubescent with trichome layers). |
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Cauline leaves | similar to basal, blade narrowly linear or, sometimes, orbicular. |
(remote, proximal shortly petiolate); blade spatulate to oblanceolate, similar to basal, (base often cuneate), margins entire. |
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Racemes | loose (lax). |
elongated. |
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Flowers | sepals elliptic or ovate, (2–)3.5–7.5 mm, (cucullate); petals 6–11 mm. |
sepals linear-oblong, 5–7 mm, (lateral pair subsaccate); petals (erect), lingulate, 8–10 mm, (claw barely differentiated from blade). |
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Fruiting pedicels | (recurved, straight, curved, or sigmoid), 6–20 mm. |
(recurved), 7–10 mm. |
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Fruits | obovoid to subglobose, not inflated (not angustiseptate), 3–6 mm; valves sparsely pubescent, sometimes glabrous inside, trichomes sessile or stalked; ovules 4(–8) per ovary; style (1.6–)3–6 mm. |
(usually pendent, sessile), subglobose, slightly flattened (angustiseptate), 4–5 mm; valves densely pubescent, trichomes somewhat spreading; ovules 8–12 per ovary; style 4–5 mm. |
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Seeds | flattened. |
plump, (mucilaginous when wetted). |
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2n | = 10, 30. |
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Physaria douglasii |
Physaria pendula |
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Phenology | Flowering May–Jun. | |||||
Habitat | Limestone gravel and cobbles, typically with junipers | |||||
Elevation | 1700-2100 m (5600-6900 ft) | |||||
Distribution |
ID; MT; OR; WA; BC
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NV |
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Discussion | Subspecies 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 7, p. 634. | FNA vol. 7, p. 657. | ||||
Parent taxa | ||||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Lesquerella douglasii | Lesquerella pendula | ||||
Name authority | (S. Watson) O’Kane & Al-Shehbaz: Novon 12: 322. (2002) | (Rollins) O’Kane & Al-Shehbaz: Novon 12: 326. (2002) | ||||
Web links |
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