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Wyethia angustifolia (DC.) Nutt.
California compassplant, California-compassplant, Narrowleaf mule ears
Synonym(s): Wyethia angustifolia var. foliosa
USDA Symbol: WYAN
USDA Native Status: L48 (N)
Basal clumps of bright-green, narrow, tongue-shaped leaves, 1-2 ft. long subtend the 1 ft. flower stalks of this showy perennial. Large, showy, sunflower-like heads occur on the stalk. Thick, creeping, aromatic rhizomes increase the size of the colony each year.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Apr , May , Jun , Jul
, WA Native Distribution:
from Tulare & San Luis Obispo Cos., n. to WA Native Habitat:
Open, grassy slopes; moist, open hillsides
Growing ConditionsLight Requirement:
Sun Soil Description:
Variable with occasional summer moisture. Conditions Comments:
Mule ears is fall dormant. Old dead flower
heads can be cut off unless the edible seed is desired.
PropagationDescription: Use treated seed.
Seed Collection: Not Available
Seed Treatment: Soak or stratify seed. Seeds should receive cool-moist stratification 90-120 days for proper germination.
Commercially Avail: yes
National Wetland Indicator Status
|Status:|| FACU || FACU |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
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: 2007-01-01
Research By: TWC Staff