Ericameria nauseosa

(Rubber Rabbitbrush)

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Buds of Ericameria nauseosa, Mesa Co. 2988

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Buds of Ericameria nauseosa,  Mesa County 2994

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Buds of Ericameria nauseosa,  Mesa County 2994

Scientific Name Ericameria nauseosa USDA PLANTS Symbol ERNA10
Common Name Rubber Rabbitbrush, Golden Bush ITIS Taxonomic Serial No. 507594
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Plains to montane (3300 to 9500 ft.); dry, rocky soils in open areas; widepread in Colorado.
Plant: Shrubs up to 6+ feet tall; white to green, broom-like flexible stems covered with dense, felt-like hairs.
Leaves: Alternate, narrow linear to filiform, sessile and crowded; blades 3/8 to 2-3/4 inches long; surfaces glabrous to covered with densely matted woolly hairs (tomentose) and often gland-dotted; blades with 3 to 5 veins (nerves).
Inflorescence: Rounded to flat-topped arrays of yellow rayless blossoms each with 4 to 6 disk florets; involucre with 10 to 30 phyllaries of unequal length.
Bloom Period: July to October.
References: "Flora of Colorado" by Jennifer Ackerfield, SEINet and SW Colorado Wildflowers.
Note: There are a number of varieties of E. nauseosa. These images are likely var. graveolens.
BONAP Distribution Map


E. nauseosa var. graveloens

Map Color Key
Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County