Physaria purpurea |
Physaria klausii |
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rose bladderpod |
Rogers Pass or klaus' or divide bladderpod |
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Habit | Perennials; caudex simple, (usually woody); densely pubescent, trichomes (sessile or short-stalked), several-rayed, rays simple or furcate, (smooth or tuberculate). | Perennials; caudex simple; densely pubescent, trichomes (loosely spreading), 3–5-rayed, rays distinct, furcate (with exceptionally long branches). |
Stems | simple from base, erect, (unbranched, sparsely leaved), to 7 dm. |
simple from base, erect to decumbent, (slender), 0.6–1.5 dm. |
Basal leaves | blade elliptic or obovate to oblong, 4–15 cm, margins entire, dentate, or lyrate-pinnatifid. |
blades obovate to deltate, 1.5–3(–4) cm, margins entire or outer one with 1 or 2 broad teeth. |
Cauline leaves | (proximal often narrowed to short petiole, distal sessile); blade broadly elliptic to obovate or rhombic, 0.5–3(–5) cm, margins entire. |
blade oblanceolate to spatulate, 0.6–1.5 cm, margins entire. |
Racemes | dense or slightly elongated. |
loose. |
Flowers | sepals elliptic to ovate, 3.5–6(–7) mm, (median pair usually thickened apically, cucullate); petals (white, often purple-veined, fading purplish), suborbicular to obovate, obdeltate, or cuneate, 4.5–10(–12) mm, (often narrowed to broad claw, apex emarginate, less frequently claw undifferentiated from blade). |
sepals (green-yellow, often tinged with purple), elliptic, 3–4.6 mm; petals oblanceolate, 6–8 mm (claw expanded). |
Fruiting pedicels | (spreading or recurved, loosely sigmoid), 5–25 mm. |
(sigmoid), 5–9 mm. |
Fruits | (pendent or horizontal, sessile or substipitate), subglobose to broadly ellipsoid, not or slightly inflated, (4–)5–8 mm; valves (not retaining seeds after dehiscence), glabrous throughout; replum as wide as or wider than fruit; ovules 4–8(–12) per ovary; style 1–3(–4) 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 | = 18, 36. |
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Physaria purpurea |
Physaria klausii |
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Phenology | Flowering Mar–Oct. | Flowering Jul. |
Habitat | Rocky draws, canyons, stony hills, ridges, rock crevices on limestone ledges, lava cliffs, sand and gravel of dry stream beds, rocky slopes, talus, shade of bushes or cactus clumps | Open gravel slides, solifluction cross-stripes of shale rubble, barren shale-derived soil |
Elevation | 400-2400 m (1300-7900 ft) | 1200-1900 m (3900-6200 ft) |
Distribution |
AZ; NM; TX; Mexico (Chihuahua, Coahuila, Sonora)
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MT |
Discussion | Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 7, p. 659. | FNA vol. 7, p. 647. |
Parent taxa | Brassicaceae > tribe Physarieae > Physaria | Brassicaceae > tribe Physarieae > Physaria |
Sibling taxa | ||
Synonyms | Vesicaria purpurea, Lesquerella purpurea, Lesquerella purpurea subsp. foliosa, Lesquerella purpurea var. foliosa, P. purpurea var. foliosa | Lesquerella klausii |
Name authority | (A. Gray) O’Kane & Al-Shehbaz: Novon 12: 327. (2002) | (Rollins) O’Kane & Al-Shehbaz: Novon 12: 325. (2002) |
Web links |