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Collomia grandiflora Douglas ex Lindl.
Grand collomia, Large-flower mountain-trumpet, Collomia
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 CharacteristicsDuration: Annual Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Orange , Yellow
Bloom Time: Apr , May , Jun , Jul
, WY Canada: BC Native Distribution:
B.C. to Missoula Co., MT,
s. to CA, AZ
& w. CO Native Habitat:
Open, wooded slopes below 8000 ft.
Growing ConditionsLight Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Dry soils.
Conditions Comments: Not Available
PropagationDescription: Not Available
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Native Seed Network
- Corvallis, OR
Record Last Modified: 2013-06-21
Research By: TWC Staff