Calochortus umpquaensis |
Calochortus kennedyi |
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Umpqua mariposa-lily |
desert mariposa, desert mariposa lily |
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Habit | Plants usually bulbose; bulb coat, when present, membranous. | |||||
Stems | not branching, straight, often scapelike, 2–3 dm, glabrous or glaucous. |
usually not branching but sometimes twisted, 1–2(–5) dm. |
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Leaves | basal solitary, clasping; blade narrowly lanceolate, hairy, adaxially hispid, abaxially glabrous, sometimes glaucous. Inflorescences 1–several-flowered; bracts 2, suboppo-site, narrowly lanceolate. |
blade linear-attenuate; basal withering, 1–2 dm; blade channeled, glaucous. |
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Inflorescences | subumbellate, 1–6-flowered; bracts 2–4 cm, bases dilated. |
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Flowers | erect; perianth open, campanulate; sepals lanceolate-acuminate, ca. 2 cm; petals white to cream, with dark purple-black, pentagonal to lunate blotch, broadly oblong to obovate, 3.5 cm, bearded, adaxial surface typically minutely papillose, margins erose; glands transversely oblong-lunate, slightly depressed, with 0.7–1.4 mm-wide band of short dendritic hairs distally, hairs surrounded by lime-green coloration and purple striations; anthers lanceolate, apex acuminate. |
erect; perianth open, campanulate, each member often with brown-purple blotch near base; sepals ovate, 2–3 cm, apex acute; petals orange to red or ± yellow, cuneate to obovate, 3–5 cm, with a few slightly enlarged hairs near gland; glands round, depressed, surrounded by conspicuously fringed membrane, densely covered with unbranched or cleft hairs; filaments 4–5 mm; anthers purplish, lanceolate, 5–8 mm. |
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Capsules | nodding, 3–5.4 cm. |
erect, longitudinally striped, lanceoloid-linear, angled, 4–6 cm, apex acuminate. |
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Seeds | 2.8–3.5 mm, with inflated bulbous crest and hollow lateral ridge. |
flat. |
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2n | = 20. |
=16. |
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Calochortus umpquaensis |
Calochortus kennedyi |
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Phenology | Flowering late spring–mid summer. | |||||
Habitat | Grassland-forest ecotones in serpentine-derived soils | |||||
Elevation | 300–500 m (1000–1600 ft) | |||||
Distribution |
OR
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sw United States; nw Mexico
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Discussion | Of conservation concern. Calochortus umpquaensis is known only from Watson and Ace Williams mountains on both sides of the Little River, Douglas County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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, p. 130. | FNA vol. 26, p. 138. | ||||
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Fredricks: Syst. Bot. 14: 12, figs. 1, 2, 3f–j, 4, 5. (1989) | Porter: Bot. Gaz. 2: 79. (1877) | ||||
Web links |