Ericameria species

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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. The images below are likely var. graveolens.
BONAP Distribution Map


E. nauseosa var. graveloens
Colorado Status:
Native
Scientific Name Ericameria parryi var. parryi USDA PLANTS Symbol ERPAP10
Common Name Parry's Rabbitbrush ITIS Taxonomic Serial No. 531201
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills to subalpine (7000 to 11000 ft.). Open areas, sagebrush slopes; widepread in the Rocky Mountains.
Plant: Low shrub, much-branched at base, 8 to 32 inches tall; minute hairs make stems appear grayish-green.
Leaves: Upright, narrow linear leaves up to 3 inches long, leathery and fuzzy.
Inflorescence: Racemes with 5 to 12 or more narrow composite flower heads, 1/2-inch long; no ray flowers, several (8 to 20) disk florets above leafy, slender bracts.
Bloom Period: July to September.
References: "Flora of Colorado" by Jennifer Ackerfield, SEINet and SW Colorado Wildflowers.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2020