Calochortus aureus |
Calochortus coxii |
|
---|---|---|
golden mariposa lily |
Cox's cat's ear, Cox's mariposa-lily |
|
Habit | Plants usually bulbose; bulb coat, when present, membranous. | |
Stems | usually not branching or twisted, 1–3 dm. |
usually not branching, straight to flexuous, often scapelike, 15–25 cm. |
Leaves | basal withering, 1–2 dm; blade linear. |
basal ± erect, to 3 dm × 3–7 mm; blade with adaxial surface densely hairy, abaxial surface glabrous, shiny. |
Inflorescences | erect, subumbellate, 1–4-flowered; bracts unequal at base of inflorescence, 1–6 cm. |
erect, 1–7-flowered; bracts 1–several, 2.5–3 cm. |
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 ovate-acuminate, 20 × 8 mm; petals white, with reddish striations from base to gland and broad lavender chevron just distal to gland margins, broadly obovate, 2.5 cm, adaxial surface densely hairy, margins slightly ciliate; glands transversely oblong-lunate, deeply depressed, green at adaxial base, 1/2 to nearly equaling petal claw width, surrounded by yellow hairs that grade to white at petal apex, covered with membranous scales, scales covered with very small, translucent, rodlike hairs; filaments 7 mm; anthers reddish brown, 3–7 mm, apex apiculate. |
Capsules | erect, light tan to light brown, linear-lanceoloid, 3-angled, ca. 2.5–5 cm, apex acuminate. |
nodding, 3-winged, ellipsoid-elongate, 3–4 cm. |
Seeds | light yellow, flat. |
light beige, surface rough. |
2n | = 32. |
|
Calochortus aureus |
Calochortus coxii |
|
Phenology | Flowering late spring–mid summer. | Flowering mid summer. |
Habitat | Dry sandy–clayey places | North-facing open grassy slopes or woods, on serpentine |
Elevation | 1200–2000 m (3900–6600 ft) | 200–1000 m (700–3300 ft) |
Distribution |
AZ; NM; UT
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OR
|
Discussion | Of conservation concern. Calochortus coxii is endemic to Douglas County from near the Umpqua River to Myrtle Creek Mountain. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 26. | FNA vol. 26, p. 126. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | C. nuttallii var. aureus | |
Name authority | S. Watson: Amer. Naturalist 7: 303. (1873) | M. R. Godfrey & Callahan: Phytologia 65: 216, fig.1g–k. (1988) |
Web links |