Calochortus howellii |
Calochortus elegans |
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Howell's mariposa lily |
cat's ear, elegant cat's ear, elegant mariposa lily, elegant sego lily, elegant star tulip, northwestern mariposa lily |
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Stems | slender, not branching or rarely branching in axil of cauline leaf, straight, 2–4 dm. |
± slender, usually not branching, often scapelike, 0.5–2 dm. |
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Leaves | basal persistent, 20–35 cm; blade gradually tapering distally, adaxially pubescent. |
basal persistent, 1–2 dm; blade linear, flat, glabrous adaxially. |
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Inflorescences | subumbellate, 1–3-flowered; bracts 2, subopposite, linear to narrowly lanceolate, attenuate, 1–3 cm. |
1–7-flowered. |
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Flowers | erect; perianth open, campanulate; sepals shorter than petals, ovate-acuminate, glabrous; petals yellowish white, with purplish hairs toward base, broadly obovate, cuneate, inconspicuously fringed laterally, sparingly short-hairy adaxially, apex rounded; glands transversely oblong, slightly depressed, densely covered with short, distally branching hairs, the bases of which unite at lower margin to form inconspicuous, discontinuous membranes; filaments shorter than anthers; anthers oblong-lanceolate, apex acute to short-apiculate. |
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. |
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Capsules | erect, 3-winged, ellipsoid, ca. 2 cm, base and apex acute. |
nodding, winged, ellipsoid-globular, 1–2 cm, apex obtuse or acute. |
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Seeds | light-colored, irregular. |
light brown, irregular. |
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2n | = 20. |
= 20. |
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Calochortus howellii |
Calochortus elegans |
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Phenology | Flowering late spring–mid summer. | |||||||||
Habitat | Dry, rocky, serpentine soils | |||||||||
Elevation | 300–500 m (1000–1600 ft) | |||||||||
Distribution |
OR
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nw United States
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Discussion | Calochortus howellii is known only from the Illinois River valley, Josephine County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 3 (3 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. 129. | FNA vol. 26, p. 125. | ||||||||
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Name authority | S. Watson: Proc. Amer. Acad. Arts 23: 266. (1888) | Pursh: Fl. Amer. Sept. 1: 240. (1814) | ||||||||
Web links |