Calochortus umpquaensis |
Calochortus concolor |
|
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Umpqua mariposa-lily |
golden bowl mariposa, goldenbowl mariposa-lily |
|
Habit | Plants usually bulbose; bulb coat, when present, membranous. | |
Stems | not branching, straight, often scapelike, 2–3 dm, glabrous or glaucous. |
usually stout, sparingly branching, not flexuous or twisted, 3–6 dm. |
Leaves | basal solitary, clasping; blade narrowly lanceolate, hairy, adaxially hispid, abaxially glabrous, sometimes glaucous. Inflorescences 1–several-flowered; bracts 2, suboppo-site, narrowly lanceolate. |
basal withering, 1–2 dm; blade linear, glaucous. |
Inflorescences | subumbellate, 1–4-flowered; bracts opposite pedicel, 4–8 cm. |
|
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; sepals usually with dark red blotch near base, lanceolate-ovate, 2–3 cm; petals yellow, often tinged purple in drying, cuneate to obovate, 3–5 cm; glands usually ± round, depressed, small, surrounded by conspicuously fringed membrane and a few long, yellow hairs, densely covered with slender, unbranched hairs; filaments 9–10 mm; anthers yellowish, oblong, 8–10 mm, apex obtuse. |
Capsules | nodding, 3–5.4 cm. |
erect, lanceoloid-linear, angled, 5–8 cm, apex acuminate. |
Seeds | 2.8–3.5 mm, with inflated bulbous crest and hollow lateral ridge. |
flat. |
2n | = 20. |
= ca. 14. |
Calochortus umpquaensis |
Calochortus concolor |
|
Phenology | Flowering late spring–mid summer. | Flowering late spring–mid summer. |
Habitat | Grassland-forest ecotones in serpentine-derived soils | Dry slopes in chaparral and pine forest, frequently on decomposed granite |
Elevation | 300–500 m (1000–1600 ft) | 700–2500 m (2300–8200 ft) |
Distribution |
OR
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CA; Mexico (Baja California)
|
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.) |
|
Source | FNA vol. 26, p. 130. | FNA vol. 26. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | C. luteus var. concolor | |
Name authority | Fredricks: Syst. Bot. 14: 12, figs. 1, 2, 3f–j, 4, 5. (1989) | (Baker) Purdy: Proc. Calif. Acad. Sci., ser. 3, 2: 135. (1901) |
Web links |