Calochortus bruneaunis |
Calochortus umpquaensis |
|
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Bruneau mariposa lily, pinyon mariposa |
Umpqua mariposa-lily |
|
Habit | Plants usually bulbose; bulb coat, when present, membranous. | |
Stems | usually not branching or twisted, 1–4 dm. |
not branching, straight, often scapelike, 2–3 dm, glabrous or glaucous. |
Leaves | basal withering, 1–2 dm; blade linear. |
basal solitary, clasping; blade narrowly lanceolate, hairy, adaxially hispid, abaxially glabrous, sometimes glaucous. Inflorescences 1–several-flowered; bracts 2, suboppo-site, narrowly lanceolate. |
Inflorescences | 1–4-flowered; bracts 2–4 cm. |
|
Flower(s) | erect; perianth open, campanulate; sepals with dark red or purple blotch near base, lanceolate, 1–4 cm, usually glabrous, apex acuminate; petals white tinged with lilac, with longitudinal median green stripe on abaxial surface and dark red or purple crescent distal to gland, narrowly obovate, 2–4 cm, ± glabrous; glands surrounded by yellow border, round, depressed, surrounded by conspicuously fringed membrane, densely covered with short, unbranched or distally branching hairs; filaments 5–6 mm; anthers yellow, blue, or maroon, oblong, 5–7 mm, apex obtuse. |
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. |
Capsules | erect, linear-lanceoloid, angled, 3–7 cm, apex acuminate. |
nodding, 3–5.4 cm. |
Seeds | yellow, flat. |
2.8–3.5 mm, with inflated bulbous crest and hollow lateral ridge. |
2n | = 14. |
= 20. |
Calochortus bruneaunis |
Calochortus umpquaensis |
|
Phenology | Flowering late spring–summer. | Flowering late spring–mid summer. |
Habitat | Dry brushy, grassy slopes, flats, pinyon-juniper woodlands | Grassland-forest ecotones in serpentine-derived soils |
Elevation | 900–3000 m (3000–9800 ft) | 300–500 m (1000–1600 ft) |
Distribution |
CA; ID; MT; NV; OR; UT
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OR
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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.) |
|
Source | FNA vol. 26. | FNA vol. 26, p. 130. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | C. nuttallii var. bruneaunis | |
Name authority | A. Nelson & J. F. Macbride: Bot. Gaz. 55: 372. (1913) | Fredricks: Syst. Bot. 14: 12, figs. 1, 2, 3f–j, 4, 5. (1989) |
Web links |