Page authors: Don Knoke, David Giblin
Calochortus macrocarpus
sagebrush mariposa lily, green-banded star-tulip

Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Montana and Nevada.

Habitat: Dry open forests, hillsides, grasslands and sagebrush, low to moderate elevations.

Flowers: May-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, beetles


Perennial herb from a deep-seated bulb, the stem erect, stout, unbranched, 2-7 dm. tall.


Leaves linear, concave-convex, reduced upward, becoming strongly involute and curled at the tip.


Umbels 1-3 flowered; flowers large, lavender to white, erect, each petal with a median green stripe; sepals 3, longer than the petals, narrowly lanceolate, pointed; petals 3, obovate, moderately bearded above the gland; gland triangular-oblong, surrounded with a broad, fringed membrane, and densely covered with slender processes; stamens 6, style tapered, stigma trifid, persistent.


Capsule linear-lanceolate, 3-angled, pointed.

Accepted Name:
Calochortus macrocarpus Douglas
Publication: Trans. Hort. Soc. London. 7: 276, plate 8. 1828.

Synonyms & Misapplications:
Mariposa macrocarpa (Douglas) Hoover
Additional Resources:

PNW Herbaria: Specimen records of Calochortus macrocarpus in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Calochortus macrocarpus checklist entry

OregonFlora: Calochortus macrocarpus information

E-Flora BC: Calochortus macrocarpus atlas page

CalPhotos: Calochortus macrocarpus photos

124 photographs:
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