Calochortus umbellatus |
Calochortus longebarbatus |
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Oakland mariposa lily, Oakland star-tulip |
long-bearded mariposa lily, long-bearded sego-lily, long-hair star-tulip, longbeard mariposa lily |
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Stems | usually branching, 8–25 cm, not bearing bulblets. |
usually not branching, 1–3 dm, proximal internodes very short; bulblet in axil of cauline leaf at or below ground surface. |
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Leaves | basal persistent, 2–4 dm; blade lanceolate, flat; cauline usually present. |
single; basal persistent, 2–3 dm; blade linear. |
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Inflorescences | subumbellate, 3–12-flowered. |
1–4-flowered. |
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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, campanulate; sepals ovate-lanceolate, 15–20 mm, apex acuminate; petals light pink to ± lavender, with red-purple adaxial crescent distal to gland, widely obovate-cuneate, 20–30 mm, not ciliate, with a few long hairs; glands bordered proximally by ciliate membrane, distally by short hairs; filaments twice length of anthers; anther apex obtuse to abruptly short-tipped. |
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Capsules | nodding, 3-winged, 1–2 cm. |
erect, 3-winged, ellipsoid to ± globular, 2–3 cm. |
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Seeds | dark brown, irregular. |
light brown, irregular. |
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2n | = 20. |
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Calochortus umbellatus |
Calochortus longebarbatus |
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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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w United States
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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.) |
recent collections of calochortus longebarbatus from oregon exhibit intergradation in the characters that heretofore have been thought to distinguish the following two varieties (k. l. chambers pers. comm.), and their continued recognition may prove unwarranted 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. | ||||
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 17: 381. (1882) | ||||
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