Native Plants
Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.
Hymenoxys cooperi
Hymenoxys cooperi (A. Gray) Cockerell
Cooper's Rubberweed
Asteraceae (Aster Family)
Synonym(s):
USDA Symbol: HYCO2
USDA Native Status: L48 (N)
Cooper’s Rubberweed bears one to few stems, each rising 1-3 ft. high. The barely fuzzy foliage is divided into linear segments and becomes gradually reduced upward. Yellow, radiate flowerheads occur in open clusters.
Plant Characteristics
Duration: AnnualHabit: Herb
Size Notes: Up to about 3 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom Information
Bloom Color: YellowBloom Time: May , Jun , Sep , Oct
Distribution
USA: AZ , CA , ID , NV , OR , UTNative Distribution: S. UT & NV, n. AZ & s.e. CA
Native Habitat: Dry, rocky slopes; 2000-7000 ft.
Growing Conditions
Light Requirement: SunSoil Moisture: Dry
Soil Description: Dry, rocky soils.
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Additional resources
USDA: Find Hymenoxys cooperi in USDA PlantsFNA: Find Hymenoxys cooperi in the Flora of North America (if available)
Google: Search Google for Hymenoxys cooperi
Metadata
Record Modified: 2022-12-29Research By: TWC Staff