Calochortus umbellatus |
Calochortus palmeri |
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Oakland mariposa lily, Oakland star-tulip |
Palmer's mariposa lily, strangling mariposa |
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Habit | Plants usually bulbose; bulb coat membranous. | |||||
Stems | usually branching, 8–25 cm, not bearing bulblets. |
usually branching, straight, 3–6 dm; bearing bulblets or not. |
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Leaves | basal persistent, 2–4 dm; blade lanceolate, flat; cauline usually present. |
basal withering, 1–2 dm; blade linear-attenuate. |
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Inflorescences | subumbellate, 3–12-flowered. |
mono-chasiate, 1–4-flowered; bracts 1–2 cm. |
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Flowers | ± erect; perianth open, campanulate; sepals 10–14 mm; petals white to pale pink, usually with purple blotch near gland, widely obovate to cuneate, 12–18 mm, adaxial surface not ciliate, ± glabrous, margins irregularly dentate distally; glands basally convex, covered by broad, ciliate membrane, bordered distally by short hairs; filaments longer than anthers; anthers oblong, apex acute or obtuse. |
erect; perianth open, broadly campanulate; sepals usually with brownish blotch near base, lanceolate, 3 cm, apex acuminate; petals white to lavender, sometimes with brownish blotch distal to gland, obovate-cuneate, rounded distally, 2–3 cm, usually with yellow hairs near gland, apex acute to acuminate; glands many, rounded, not depressed, short, thick, distally knobbed, sometimes with yellowish or purplish hairs, otherwise glabrous; filaments 7–8 mm; anthers white, oblong, 5–7 mm, apex acute. |
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Capsules | nodding, 3-winged, 1–2 cm. |
erect, linear, angled in cross section, ca. 5 cm. |
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Seeds | dark brown, irregular. |
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2n | = 20. |
= 14. |
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Calochortus umbellatus |
Calochortus palmeri |
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Phenology | Flowering early spring–early summer. | |||||
Habitat | Openings in chaparral or woods, often on serpentine | |||||
Elevation | 100–700 m (300–2300 ft) | |||||
Distribution |
CA
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CA
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Discussion | Calochortus umbellatus grows around San Francisco Bay. It is reported also from Lake County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 2 (2 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. 127. | FNA vol. 26, p. 133. | ||||
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 168. (1868) | S. Watson: Proc. Amer. Acad. Arts 14: 266. (1879) | ||||
Web links |