Calochortus clavatus |
Calochortus tiburonensis |
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club hair mariposa, clubhair mariposa lily, slender mariposa lily |
Tiburon mariposa-lily |
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Habit | Plants usually bulbose; bulb coat, when present, membranous. | |||||||||||||||||
Stems | slender or coarse, stout, branching or not, strongly flexuous, 3–10 dm. |
usually branching, 1–6 dm. |
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Leaves | basal withering, 1–2 dm; blade linear. |
basal persistent, 1–7 dm; blade lanceolate, flat. |
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Inflorescences | subumbellate, 1–6-flowered; bracts 4–8 cm, bases dilated. |
2–several-flowered. |
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Flowers | erect; perianth open, cup-shaped; sepals usually with red-brown blotch at base, lanceolate-ovate, 2–4 cm, apex acute; petals lemon to golden yellow, with transverse line distal to gland, broadly cuneate to obovate, 3–5 cm; glands round, deeply depressed, densely covered with short hairs with branching, coralline tips, surrounded by conspicuously fringed membrane and club-shaped hairs; filaments ca. 10 mm; anthers purplish brown, oblong, 4–10 mm. |
erect; perianth open, campanulate; petals light yellow-green, flecked and streaked purplish brown, oblanceolate, ciliate to near apex, hairy; glands depressed, bordered proximally by ciliate membrane, distally by 2 or more rows of short hairs; anthers short-tipped. |
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Capsules | erect, lanceoloid-linear, angled, 6–9 cm, apex acuminate. |
erect, angled, apex acute. |
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Seeds | light yellow, translucent, flat. |
dark brown, irregular. |
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2n | = 16. |
= 20. |
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Calochortus clavatus |
Calochortus tiburonensis |
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Phenology | Flowering late spring–early summer. | |||||||||||||||||
Habitat | Serpentine grasslands | |||||||||||||||||
Elevation | 0–200 m (0–700 ft) | |||||||||||||||||
Distribution |
CA
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CA
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Discussion | Varieties 5 (5 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Calochortus tiburonensis is known only from Ring Mountain, Marin County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 26, p. 138. | FNA vol. 26, p. 131. | ||||||||||||||||
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus | ||||||||||||||||
Sibling taxa | ||||||||||||||||||
Subordinate taxa | ||||||||||||||||||
Synonyms | Mariposa clavata | |||||||||||||||||
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 265. (1879) | A. J. Hill: Madroño 22: 100, fig. 1. (1973) | ||||||||||||||||
Web links |