Heterotheca species

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Scientific Name Heterotheca pumila USDA PLANTS Symbol HEPU14
Common Name Alpine Goldenaster, False Goldenaster, Dwarf Golden Aster ITIS Taxonomic Serial No. 502974
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Subalpine and alpine (10000 to 13000 ft.); rocky, clay or shale soils, granitic outcrops, roadsides, along trails.
Plant: Short, bushy perennial 3 to 14 inches tall, many reddish-brown, woolly stems.
Leaves: Narrow oblanceolate leaves about 1 to 2-1/4 inches long, somewhat folded, hairy.
Inflorescence: Single or up to 9 flower heads in corymbs, each head 1-1/4 inches across, with 10 to 23 rays and many (24 to 60) yellow to orange disk florets in the center; phyllaries below slightly reddish purple and moderately hairy and/or glandular.
References: "Flora of Colorado" by Jennifer Ackerfield and Flora of North America.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Heterotheca villosa USDA PLANTS Symbol HEVI4
Common Name Hairy False Goldenaster ITIS Taxonomic Serial No. 37689
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Plains to montane (3500 to 10500 ft.); dry, open areas, disturbed areas, trailsides; found throughout most of Colorado.
Plant: Perennial 6 to 16 inches tall, many woolly stems sometimes brown or reddish brown, or whitish.
Leaves: Sparse lower stem leaves petiolate, blades 3/8 to 1-1/2 inches long, grayish-green appearance; upper stem leaves not crowded along stems, smaller and sessile; both with oblanceolate blades with rounded or pointed tips, upper leaves with wedge-shapes bases.
Inflorescence: Single or up to 16 flower heads in corymbs each 3/4 to 1-1/2 inches across, with 10 to 20 rays and 20 to 50 yellow to orange disk florets in the center.
Note: Highly variable species in stem length, leaf hairiness, etc.
References: "Flora of Colorado" by Jennifer Ackerfield and SEINet.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2020