Page authors: Don Knoke, David Giblin
Calochortus macrocarpus
sagebrush mariposa, green-banded star-tulip
WTU specimens
Other herbaria

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

Habitat: Dry open forests and hills, low to moderate elevations.

Flowers: May-July

Origin: Native

Conservation Status: Not of concern

Description:
General:

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

Leaves:

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

Flowers:

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.

Fruits:

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
Infraspecies:
var. macrocarpus – sagebrush mariposa, green-banded star-tulip
var. maculosus – sagebrush mariposa, green-banded star-tulip
Additional Resources:

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

WA Flora Checklist: Calochortus macrocarpus checklist entry.

E-Flora BC: Calochortus macrocarpus atlas page.

CalPhotos: Calochortus macrocarpus photos.

USDA Plants: Calochortus macrocarpus information.

110 photographs:
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