Calochortus aureus |
Calochortus gunnisonii |
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golden mariposa lily |
Gunnison's mariposa lily |
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Habit | Plants usually bulbose; bulb coat, when present, membranous. | Plants usually bulbose; bulb coat, when present, membranous. | ||||
Stems | usually not branching or twisted, 1–3 dm. |
not branching, straight, 2.4–5.5 dm. |
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Leaves | basal withering, 1–2 dm; blade linear. |
basal withering, 18–35 cm; blade linear. |
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Inflorescences | erect, subumbellate, 1–4-flowered; bracts unequal at base of inflorescence, 1–6 cm. |
subumbellate, 1–3-flowered. |
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Flowers | 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. |
erect; perianth open, campanulate; sepals marked similar to petals, lanceolate, usually much shorter, glabrous, apex acute; petals white to purple, greenish adaxially, clawed, often with narrow, transverse purple band distal to gland and purple blotch on claw, obovate, cuneate, usually obtuse and rounded distally; glands transversely oblong, not depressed, densely bearded with distally branching hairs, outermost of which somewhat connate at base to form discontinuous, deeply fringed membranes; filaments shorter than anthers; anthers lanceolate, apex acute to apiculate. |
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Capsules | erect, light tan to light brown, linear-lanceoloid, 3-angled, ca. 2.5–5 cm, apex acuminate. |
erect, linear-oblong, 3-angled, 3–6 cm, apex acute. |
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Seeds | light yellow, flat. |
flat, inflated. |
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2n | = 32. |
= 18. |
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Calochortus aureus |
Calochortus gunnisonii |
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Phenology | Flowering late spring–mid summer. | |||||
Habitat | Dry sandy–clayey places | |||||
Elevation | 1200–2000 m (3900–6600 ft) | |||||
Distribution |
AZ; NM; UT
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wc North America
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Discussion | Varieties 2 (2 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. | FNA vol. 26, p. 140. | ||||
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | C. nuttallii var. aureus | |||||
Name authority | S. Watson: Amer. Naturalist 7: 303. (1873) | S. Watson: Botany (Fortieth Parallel), 348. (1871) | ||||
Web links |