Calochortus clavatus |
Calochortus monanthus |
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club hair mariposa, clubhair mariposa lily, slender mariposa lily |
Shasta River mariposa lily, single-flower mariposa-lily |
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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. |
not branching, straight. |
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Leaves | basal withering, 1–2 dm; blade linear. |
basal withering; blade linear-attenuate. |
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Inflorescences | subumbellate, 1–6-flowered; bracts 4–8 cm, bases dilated. |
1-flowered, long-peduncled; bracts opposite. |
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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, turbinate to campanulate; sepals lanceolate, attenuate, ca. 4 cm; petals pinkish, with chevron-shaped, dark red blotch distal to gland, obovate, cuneate, rounded, ca. 5 cm, with few flexible hairs near gland, margins irregularly dentate distally; glands oblong, not depressed, densely covered with slender, unbranched hairs; filaments lanceolate-linear, shorter than anthers; anthers short-tipped. |
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Capsules | erect, lanceoloid-linear, angled, 6–9 cm, apex acuminate. |
erect, linear, angled. |
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Seeds | light yellow, translucent, flat. |
unknown. |
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2n | = 16. |
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Calochortus clavatus |
Calochortus monanthus |
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Phenology | Flowering late spring–mid summer. | |||||||||||||||||
Habitat | Vernal meadows | |||||||||||||||||
Elevation | 800 m (2600 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.) |
Calochortus monanthus is known only from a single collection from meadow along the Shasta River, near Yreka, Siskiyou County, by E. L. Greene in June, 1876. It is presumed extinct. (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. 133. | ||||||||||||||||
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus | ||||||||||||||||
Sibling taxa | ||||||||||||||||||
Subordinate taxa | ||||||||||||||||||
Synonyms | Mariposa clavata | |||||||||||||||||
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 265. (1879) | Ownbey: Ann. Missouri Bot. Gard. 27: 465, plate 39, figs. 3, 4. (1940) | ||||||||||||||||
Web links |