Page author: David Giblin
Collomia tenella
diffuse collomia, diffuse mountain-trumpet
WTU specimens
Other herbaria

Distribution: Mostly east of the Cascades in Washington; British Columbia south to Nevada, east to Idaho, Utah and Wyoming.

Habitat: Dry, open places from the plains to moderate elevations in the mountains.

Flowers: June-July

Origin: Native

Conservation Status: Not of concern

Description:
General:

Freely-branched, slender annual up to 1.5 dm. tall, with stalked glands at least above.

Leaves:

Leaves alternate, linear, 1-5 cm. long and 1-5 mm. wide.

Flowers:

Flowers numerous, sub-sessile, solitary in the forks of the braches or axils of the leaves; calyx teeth 5, triangular, 1 mm. long; corolla lavender to pink or white, 5-lobed, about twice as long as the calyx; stamens 5, filaments equally inserted, very short; style 3-parted; ovary superior.

Fruits:

Capsule with 3, 1-seeded carpels.

Accepted Name:
Collomia tenella A. Gray
Publication: Proc. Amer. Acad. Arts 8: 259. 1870.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Collomia tenella in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Collomia tenella checklist entry.

E-Flora BC: Collomia tenella atlas page.

CalPhotos: Collomia tenella photos.

USDA Plants: Collomia tenella information.

17 photographs:
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