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 rays and 22-40 yellow disk florets in the center.
References: Descr. adapted from "Wildflowers of Texas" by Geyata Ajilvsgi and SEINet.
Texas Status
Native
Scientific Name Heterotheca stenophylla USDA PLANTS Symbol
HEST3
Common Name Sticky Granite Daisy, Stiffleaf False Goldenaster ITIS Taxonomic Serial No.
37685
Family Asteraceae (Sunflower) SEINet Reference
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Description Habitat: Sandy soils and granite outcrops.
Plant: Erect or sprawling perennial 8 to 16 inches tall; multiple brittle, hairy stems with branches near top.
Leaves: Hairy-glandular, alternate leaves, 1/2 to 1-1/2 inches long; lower oblanceolate to spatulate and early deciduous; middle and upper leaves mostly linear.
Inflorescence: Composite terminal flower heads 3/4 to 1-1/4 inch across subtended by small, linear leaves; 15 to 35 yellow rays and 23 to 55 yellow disk florets in the centers.
Bloom Period: April to September.
References: Descr. adapted from "Wildflowers of the Texas Hill Country" by Marshall Enquist, "Manual of Vascular Plants of Texas" by Correll and Johnston and SEINet.
Texas Status
Native
Scientific Name Heterotheca subaxillaris (Heterotheca latifolia) 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 rays and 25 to 60 yellow disk florets in the center.
Bloom Period: May to October. References: Descr. adapted from "Wildflowers of Texas" by Geyata Ajilvsgi and SEINet.
Texas Status
Native

© Tom Lebsack 2018