Calochortus Coxii

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Calochortus coxii Liliaceae Inner leaf surface densely Flowers white with reddish hairy Cox’s mariposa lily striations, yellow hairs sur- rounding gland, grading to white at petal apex Capsules droop when mature Gerald D. Carr Mildred Thiele Mildred unknown Mildred Thiele Mildred Erect to flexuous, perennial herb arising from a bulb. Stems usually solitary, of- ten scapelike, 15-25 cm long. Bulbs whitish, coated with a dull brown membra- nous coat. Leaf basal, solitary, erect, to 30 cm long, 3-7 mm wide, inner surface densely hairy, outer surface glabrous. Inflorescence 1-7 flowered on erect pedi- cel; bracts 1 to several, 2.5-3 cm long. Flowers white with reddish striations from base to gland, a broad lavender chevron extending to petal edges just above the gland; gland deeply depressed, base green; yellow hairs surround the gland Aaron Liston that grade to white at petal apex; sepals ovate-acuminate, about 20 mm long, 8 mm wide; inner surface of petals densely hairy, outer surface glabrous, edges ciliate; filaments about 7 mm long; anthers reddish-brown, 3-7 mm long. Fruit a capsule, straw colored; nodding, elliptic-elongate, 3 winged, 3-4 cm long. Seeds light straw yellow with a rough surface. Lookalikes differs from featured plant by Calochortus tolmiei its densely hairy petals with pink to purple striations. best survey times Calochortus greenei its lilac petals and glabrous inner leaf surface and earlier J | F | M | A | M | J | J | A | S | O | N | D bloom time. Calochortus coxii M.R. Godfrey & Callahan Cox’s mariposa lily PLANTS symbol: CACO41 August 2019 status Federal:SOC; Oregon:LE; ORBIC: List 1 Distribution: From the Umpqua River to Myrtle Creek Mountain, Douglas Co. Habitat: Serpentine soils on north facing, open, grassy or wooded slopes. Elevation: 200—800 m Best survey time (in flower): late June – early July Associated species: Pinus jeffreyi (Jeffrey pine) Calocedrus decurrens (Incense cedar) Danthonia californica (California danthonia) Aspidotis densa (Podfern).

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