Physaria calcicola |
Physaria chambersii |
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Chambers' bladderpod |
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Habit | Plants cespitose, silvery; caudices present. | |
Stems | arising laterally, 5–15 cm. |
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Basal leaves | obovate to orbicular, 3–6 × 1–2 cm; margins entire or dentate. |
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Cauline leaves | spatulate, 1–2 cm × 3–6 mm; margins entire. |
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Inflorescences | fruiting pedicels divaricate, slightly sigmoid, 8–15 mm. |
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Flowers | sepals narrowly lanceolate, 5–8(9) mm; petals narrowly oblanceolate, 9–12 mm, yellow; claws undifferentiated; ovules 4–12 per ovary; styles (4)6–8 mm. |
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Fruits | didymous; terete, bases obtuse to subcordate; tips notched, pubescent, retaining seeds after dehiscence; valves keeled and 3-angled on back; flat-sided; bladdery, strongly inflated, 1–1.5 × ~1 cm; replums oblong, obtuse at tip, 4–6 × ~1 mm; narrower than fruits. |
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Seeds | not margined. |
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Trichomes | few-rayed, with umbos; rays forked, slightly tuberculate. |
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2n | =8, 10, 16, 24. |
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Physaria calcicola |
Physaria chambersii |
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Distribution | ||
Discussion | Loose gravel, clay hillsides, sagebrush, pinyon-juniper communities, steep road banks. Flowering Apr–Jun. 500–1400 m. BR, BW, Owy. CA, NV; southeast to AZ. Native. |
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Source | Flora of Oregon, volume 2, page 501 Ihsan Al-Shehbaz |
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Sibling taxa | ||
Web links |