Calochortus coxii |
Calochortus tiburonensis |
|
---|---|---|
Cox's cat's ear, Cox's mariposa-lily |
Tiburon mariposa-lily |
|
Stems | usually not branching, straight to flexuous, often scapelike, 15–25 cm. |
usually branching, 1–6 dm. |
Leaves | basal ± erect, to 3 dm × 3–7 mm; blade with adaxial surface densely hairy, abaxial surface glabrous, shiny. |
basal persistent, 1–7 dm; blade lanceolate, flat. |
Inflorescences | erect, 1–7-flowered; bracts 1–several, 2.5–3 cm. |
2–several-flowered. |
Flowers | 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. |
erect; perianth open, campanulate; petals light yellow-green, flecked and streaked purplish brown, oblanceolate, ciliate to near apex, hairy; glands depressed, bordered proximally by ciliate membrane, distally by 2 or more rows of short hairs; anthers short-tipped. |
Capsules | nodding, 3-winged, ellipsoid-elongate, 3–4 cm. |
erect, angled, apex acute. |
Seeds | light beige, surface rough. |
dark brown, irregular. |
2n | = 20. |
|
Calochortus coxii |
Calochortus tiburonensis |
|
Phenology | Flowering mid summer. | Flowering late spring–early summer. |
Habitat | North-facing open grassy slopes or woods, on serpentine | Serpentine grasslands |
Elevation | 200–1000 m (700–3300 ft) | 0–200 m (0–700 ft) |
Distribution |
OR
|
CA
|
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.) |
Of conservation concern. Calochortus tiburonensis is known only from Ring Mountain, Marin County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 126. | FNA vol. 26, p. 131. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Name authority | M. R. Godfrey & Callahan: Phytologia 65: 216, fig.1g–k. (1988) | A. J. Hill: Madroño 22: 100, fig. 1. (1973) |
Web links |