Native Plants
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Collomia grandiflora
Collomia grandiflora Douglas ex Lindl.
Grand Collomia, Large-flower Mountain-trumpet, Collomia
Polemoniaceae (Phlox Family)
Synonym(s):
USDA Symbol: cogr4
USDA Native Status: L48 (N), CAN (N)
Large-flower mountain-trumpet or collomis is a leafy, erect annual, 4 in. to 3 ft. high. Its stems are usually unbranched and its leaves are narrow, becoming smaller upward. Funnelform flowers, occurring in dense, terminal heads, are yellow-salmon to almost white.
Plant Characteristics
Duration: AnnualHabit: Herb
Fruit Type: Capsule
Size Notes: Up to about 3 feet tall.
Bloom Information
Bloom Color: Orange , YellowBloom Time: Apr , May , Jun , Jul , Aug
Distribution
USA: AZ , CA , CO , ID , MT , NV , OR , UT , WA , WYCanada: BC
Native Distribution: B.C. to Missoula Co., MT, s. to CA, AZ & w. CO
Native Habitat: Open, wooded slopes below 8000 ft.
Growing Conditions
Light Requirement: Part ShadeSoil Moisture: Dry
Soil Description: Dry soils.
Propagation
Commercially Avail: yesFind Seed or Plants
Find seed sources for this species at the Native Seed Network.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:Native Seed Network - Corvallis, OR
Web Reference
Webref 30 - Calflora (2018) CalfloraWebref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Collomia grandiflora in USDA PlantsFNA: Find Collomia grandiflora in the Flora of North America (if available)
Google: Search Google for Collomia grandiflora
Metadata
Record Modified: 2023-02-01Research By: TWC Staff