Calochortus clavatus |
Calochortus aureus |
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club hair mariposa, clubhair mariposa lily, slender mariposa lily |
golden mariposa lily |
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Habit | Plants usually bulbose; bulb coat, when present, membranous. | Plants usually bulbose; bulb coat, when present, membranous. | ||||||||||||||||
Stems | slender or coarse, stout, branching or not, strongly flexuous, 3–10 dm. |
usually not branching or twisted, 1–3 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. |
erect, subumbellate, 1–4-flowered; bracts unequal at base of inflorescence, 1–6 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 with maroon blotch distal to gland, broadly lanceolate, 1–4 cm, apex acuminate; petals lemon yellow, with maroon blotch distal to gland, broadly obovate, cuneate, 3–3.5 cm, ± glabrous or with a few lemon-yellow hairs near gland; glands round, depressed, surrounded by conspicuously fringed membranes, densely covered with short, unbranched or distally branching hairs; filaments ca. equaling anthers; anthers yellowish cream, oblong, apex obtuse. |
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Capsules | erect, lanceoloid-linear, angled, 6–9 cm, apex acuminate. |
erect, light tan to light brown, linear-lanceoloid, 3-angled, ca. 2.5–5 cm, apex acuminate. |
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Seeds | light yellow, translucent, flat. |
light yellow, flat. |
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2n | = 16. |
= 32. |
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Calochortus clavatus |
Calochortus aureus |
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Phenology | Flowering late spring–mid summer. | |||||||||||||||||
Habitat | Dry sandy–clayey places | |||||||||||||||||
Elevation | 1200–2000 m (3900–6600 ft) | |||||||||||||||||
Distribution |
CA
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AZ; NM; UT
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Discussion | Varieties 5 (5 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. 138. | FNA vol. 26. | ||||||||||||||||
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus | ||||||||||||||||
Sibling taxa | ||||||||||||||||||
Subordinate taxa | ||||||||||||||||||
Synonyms | Mariposa clavata | C. nuttallii var. aureus | ||||||||||||||||
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 265. (1879) | S. Watson: Amer. Naturalist 7: 303. (1873) | ||||||||||||||||
Web links |