Flora of North America species comparison

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Calochortus coxii

Cox's cat's ear, Cox's mariposa-lily
Stems

usually not branching, straight to flexuous, often scapelike, 15–25 cm.
Leaves

basal ± erect, to 3 dm × 3–7 mm;

blade with adaxial surface densely hairy, abaxial surface glabrous, shiny.
Inflorescences

erect, 1–7-flowered;

bracts 1–several, 2.5–3 cm.
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.
Capsules

nodding, 3-winged, ellipsoid-elongate, 3–4 cm.
Seeds

light beige, surface rough.

Calochortus coxii
Phenology Flowering mid summer.
Habitat North-facing open grassy slopes or woods, on serpentine
Elevation 200–1000 m (700–3300 ft)
Distribution
from FNA
OR
[WildflowerSearch map]
[BONAP county map]
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, p. 126.
Parent taxa Liliaceae > Calochortus
Sibling taxa
C. albus, C. amabilis, C. ambiguus, C. amoenus, C. apiculatus, C. argillosus, C. aureus, C. bruneaunis, C. catalinae, C. clavatus, C. coeruleus, C. concolor, C. dunnii, C. elegans, C. eurycarpus, C. excavatus, C. flexuosus, C. greenei, C. gunnisonii, C. howellii, C. indecorus, C. invenustus, C. kennedyi, C. leichtlinii, C. longebarbatus, C. luteus, C. lyallii, C. macrocarpus, C. minimus, C. monanthus, C. monophyllus, C. nitidus, C. nudus, C. nuttallii, C. obispoensis, C. palmeri, C. panamintensis, C. persistens, C. plummerae, C. pulchellus, C. raichei, C. simulans, C. splendens, C. striatus, C. subalpinus, C. superbus, C. tiburonensis, C. tolmiei, C. umbellatus, C. umpquaensis, C. uniflorus, C. venustus, C. vestae, C. weedii, C. westonii
Name authority M. R. Godfrey & Callahan: Phytologia 65: 216, fig.1g–k. (1988)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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