Asclepias asperula [Apocynaceae]

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Scientific Name Asclepias asperula USDA PLANTS Symbol
Common Name Antelope Horns ITIS Taxonomic Serial No.
Family Apocynaceae (Dogbane) SEINet
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Description Habitat: Open grassy areas.
Plant: Low-growing perennial 8 to 24 inches tall; may recline on the ground.
Leaves: Narrow lanceolate to linear-lanceolate leaves 2-1/2 to 6 inches long, often folded.
Inflorescence: Numerous flowers crowded in terminal spherical clusters; each about 1/2-inch across with five upward-curving, pale yellow-greenish corolla lobes (petals); dark purple hoods attached to anther head (gynostegium); horns included in hoods.
Bloom Period: March to May.
References: "Wildflowers of Central Texas" by Marshall Enquist, SEINet, and Jepson eFlora.
BONAP Distribution Map

Texas Status:

© Tom Lebsack 2021