[The Phlox Family of the Cascade Mts. of Oregon and Washington]

Collomia and Mountain-trumpets of the Cascade Mountains of Oregon and Washington

The Genus Collomia

A close-up of the calyx and glandular hairs covering the leaves within the inflorescence of diffuse collomia as seen on the eastern slopes of Wedge Mountain, Wenatchee National Forest..........June 8, 2009. This species is very similar to yellow-staining collomia (Collomia tinctoria) at first glance, but the latter species has long corolla tubes up to 14 mm long and clusters of 3 or more flowers while the former has corolla tubes 4-6 mm long and either single flowers or at most 2 flowers clustered closely together.

Alpine Collomia, Alpine Mountain Trumpet: Collomia debilis var. debilis (Synonyms: Collomia debilis, Collomia debilis var. ipomoea, Collomia debilis var. pacificus, Collomia debilis var. trifida, Collomia debilis var. typica) -

Large-flowered Collomia, Grand Collomia, Large-flower Mountain-trumpet: Collomia grandiflora -

Varied-leaf Collomia, Varied-leaf Mountain-trumpet: Collomia heterophylla -

Larsen's Montain Trumpet, Talus Collomia, Talus Mountain-trumpet: Collomia larsenii (Synonym: Collomia debilis var. larsenii) - Showy blue, lavendar, or white flowers, to dime-sized. Depending on the variety, leaves are alternate, ovate, pitch-forked, narrowly lanceolate, or dissected (twice pinnate). Found on talus slopes at high elevations.

Narrowleaf Collomia, Narrow-leaf Collomia, Tiny Trumpet, Narrow-leaf Mountain-trumpet: Collomia linearis -

Mount Mazama Collomia: Collomia mazama -

Diffuse Collomia, Diffuse Mountain-trumpet: Collomia tenella -

Yellow-staining Collomia, Yellow-staining Mountain-trumpet, Staining Collomia: Collomia tinctoria -

Paul Slichter E-mail