Calochortus elegans |
Calochortus luteus |
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cat's ear, elegant cat's ear, elegant mariposa lily, elegant sego lily, elegant star tulip, northwestern mariposa lily |
yellow mariposa, yellow mariposa lily |
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Stems | ± slender, usually not branching, often scapelike, 0.5–2 dm. |
slender, 2–5 dm. |
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Leaves | basal persistent, 1–2 dm; blade linear, flat, glabrous adaxially. |
basal withering, 1–2 dm; blade linear. |
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Inflorescences | 1–7-flowered. |
subumbellate, 1–4-flowered; bracts 1–8 cm. |
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Flowers | erect to spreading; perianth open, campanulate; sepals oblong-lanceolate, 12–16 mm, usually glabrous, adaxial surface minutely papillose; petals light green to white, usually with purple crescent distal to gland, ± oblanceolate or broader, 10–15 mm, adaxial surface hairy only distal to gland, margins conspicuously ciliate; glands lunate, usually slightly depressed, bordered proximally by ± ciliate membrane, distally by short hairs; anthers lanceolate, apex apiculate. |
erect; perianth open, campanulate; sepals lanceolate-oblong, attenuate, 2–3 cm; petals deep yellow, usually streaked red-brown proximally, often with median red-brown blotch, cuneate to obovate, 2–4 cm, with a few slender hairs near gland; glands ± lunate to oblong, not depressed, covered with short, matted hairs; filaments 7–9 mm; anthers linear-oblong, 4–6 mm, apex obtuse or acute. |
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Capsules | nodding, winged, ellipsoid-globular, 1–2 cm, apex obtuse or acute. |
erect, lanceoloid-linear, angled, 3–6 cm. |
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Seeds | light brown, irregular. |
light beige, flat. |
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2n | = 20. |
= 14, 28. |
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Calochortus elegans |
Calochortus luteus |
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Phenology | Flowering late spring–mid summer. | |||||||||
Habitat | Heavy soils in grasslands, open woodlands, mixed evergreen forests | |||||||||
Elevation | 0–700 m (0–2300 ft) | |||||||||
Distribution |
nw United States
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CA
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Discussion | Varieties 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Coastal plants of Calochortus luteus are mostly triploid, while those of the interior are mostly diploid. Occasionally this species hybridizes with C. superbus. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 26, p. 125. | FNA vol. 26, p. 135. | ||||||||
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | Mariposa lutea | |||||||||
Name authority | Pursh: Fl. Amer. Sept. 1: 240. (1814) | Douglas ex Lindley: Edwards’s Bot. Reg. 19: plate 1567. (1833) | ||||||||
Web links |