Calochortus clavatus |
Calochortus venustus |
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club hair mariposa, clubhair mariposa lily, slender mariposa lily |
butterfly mariposa lily, square mariposa tulip |
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Habit | Plants usually bulbose; bulb coat, when present, membranous. | Plants bulbose; bulb coat 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 withering, 1–2 dm; blade linear. |
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Inflorescences | subumbellate, 1–6-flowered; bracts 4–8 cm, bases dilated. |
subumbellate, 1–6(–10)-flowered; bracts 2–8 cm. |
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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; sepals lanceolate, 3–5 cm, apex recurved; petals white to brightly or deeply yellow, purple, or dark red, with dark red median blotch, often with second paler distal blotch, obovate or cuneate to clawed, rounded, 3–5 cm, with scattered proximal hairs, apex retuse to obtuse; glands in lower middle of petal, ± square, sometimes ovate, not depressed, covered with short, orange to red-purple hairs; filaments usually equaling anthers; anthers linear-lanceolate to oblong. |
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Capsules | erect, lanceoloid-linear, angled, 6–9 cm, apex acuminate. |
erect, linear, angled, 5–6 cm. |
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Seeds | light yellow, translucent, flat. |
light beige, ± flat, 4–6 mm. |
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2n | = 16. |
= 14. |
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Calochortus clavatus |
Calochortus venustus |
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Phenology | Flowering mid spring–mid summer. | |||||||||||||||||
Habitat | Light sandy soil, often in decomposed granite in valley grassland, foothill woodland, and pine forest | |||||||||||||||||
Elevation | 300–2700 m (1000–8900 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.) |
Flower color and pattern are very showy and exceedingly variable in Calochortus venustus. (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. 134. | ||||||||||||||||
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus | ||||||||||||||||
Sibling taxa | ||||||||||||||||||
Subordinate taxa | ||||||||||||||||||
Synonyms | Mariposa clavata | Mariposa venusta | ||||||||||||||||
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 265. (1879) | Douglas ex Bentham: Trans. Hort. Soc. London, ser. 2, 1: 412, plate 15, fig. 3. (1835) | ||||||||||||||||
Web links |