Heterotheca species

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Scientific Name Heterotheca canascens USDA PLANTS Symbol
HECA8
Common Name Gray Goldenaster ITIS Taxonomic Serial No.
37658
Family Asteraceae (Sunflower) SEINet Reference
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Description Habitat: Dry, sandy, rocky soil in open areas, prairies, brush, hillsides.
Plant: Upright/sprawling grayish bushy perennial up to 16 inches tall; many stems branched in upper portions.
Leaves: Numerous hairy leaves crowded on plant stems, oblanceolate to linear, 3/4 to 1-1/4 inches long.
Inflorescence: Composite flower heads up to 1 inch across, solitary or a few in corymbs, curling up at night, 10-22 yellow ray flowers (petals) and 22-40 yellow disc florets in the center.
References: Descr. excerpt from "Wildflowers of Texas" by Geyata Ajilvsgi and SEINet.
Texas Status
Native
Scientific Name Heterotheca subaxillaris USDA PLANTS Symbol
HESU3
Common Name Camphorweed, Goldenaster ITIS Taxonomic Serial No.
37686
Family Asteraceae (Sunflower) SEINet Reference
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Description Habitat: Sandy soils in disturbed areas, roadsides, prairies, rangelands.
Plant: Erect or widely sprawling annual usually 1 to 3 feet tall; single hairy, green stem with branches near top.
Leaves: Curly upper leaves, alternate, clasping, ovate to lanceolate, coarsely toothed, up to 2-3/4 inches long. Lower leaves usually fall off by flowering time.
Inflorescence: Composite flower heads atop each branch, 5/8 to 1-inch across, in corymbo-paniculiform arrays, 15 to 35 yellow ray flowers (petals) and 25 to 60 disc florets in the center.
References: Descr. excerpt from "Wildflowers of Texas" by Geyata Ajilvsgi and SEINet.
Texas Status
Native

© Tom Lebsack 2017