Camassia quamash |
Camassia quamash subsp. walpolei |
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camas, common camas, small camas |
walpole's camas, walpole's small camas |
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Bulbs | seldom clustered, globose, 1–5 cm diam. |
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Leaves | usually fewer than 10, 1–6 dm × 4–20 mm. |
4–13 mm wide, not glaucous. |
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Inflorescences | 20–80 cm; sterile bracts absent, bracts subtending flowers usually equaling or exceeding pedicel. |
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Flowers | usually zygomorphic, sometimes actinomorphic; tepals withering separately or connivent over capsules after anthesis, long-persistent on fruiting racemes, blue or bluish violet, each 3–9-veined, 12–35 × 1.5–8 mm; anthers usually yellow, sometimes bluish violet, violet, or brown, 2.5–7 mm; fruiting pedicel mostly incurving-erect, occasionally spreading-erect, 5–70 mm. |
actinomorphic; tepals withering separately after anthesis, pale blue or blue-violet, each 3-veined, sometimes 5-veined in outer whorls, 12–20 × 3–5 mm; anthers bright yellow, 3–5 mm; fruiting pedicel incurving-erect, with capsules closely appressed to raceme axes, 5–10 mm. |
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Capsules | not deciduous, pale green to pale brown, ovoid, 6–19 mm. |
8–15 mm. |
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Seeds | 5–10 per locule. |
3–6 per locule. |
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2n | = 30. |
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Camassia quamash |
Camassia quamash subsp. walpolei |
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Phenology | Flowering mid–late spring. | |||||||||||||||||||||||||||||||||
Habitat | Wet meadows | |||||||||||||||||||||||||||||||||
Elevation | 100–1500 m [300–4900 ft] | |||||||||||||||||||||||||||||||||
Distribution |
w United States and Canada
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OR |
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Discussion | camassia quamash is highly variable morphologically. although there tend to be distinct geographical variants. here recognized as subspecies following f. w. gould (1942), there is much overlap among them. the subspecific status of these taxa is retained to highlight the extreme morphological variability and geographical patterns within the species. a detailed biosystematic study of this complex is needed Subspecies 8 (8 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 26, p. 304. | FNA vol. 26, p. 305. | ||||||||||||||||||||||||||||||||
Parent taxa | ||||||||||||||||||||||||||||||||||
Sibling taxa | ||||||||||||||||||||||||||||||||||
Subordinate taxa | ||||||||||||||||||||||||||||||||||
Synonyms | Phalangium quamash | Quamasia walpolei, C. walpolei | ||||||||||||||||||||||||||||||||
Name authority | (Pursh) Greene: Man. Bot. San Francisco, 313. (1894) | (Piper) Gould: Amer. Midl. Naturalist 28: 735. (1942) | ||||||||||||||||||||||||||||||||
Web links |