Asclepias asperula
(Antelope Horns)
Asclepias asperula, Caprock Canyons State Park, Briscoe Co. 9611
Asclepias asperula, Pace Bend Park, Travis Co. 1865
Asclepias asperula, Near Dripping Springs, Hays Co. 3368
Asclepias asperula, Wildflower Center, Austin, Travis Co. 1619
Asclepias asperula, Wildflower Center, Austin, Travis Co. 1613
Asclepias asperula, Caprock Canyons State Park, Briscoe Co. 9607
| Scientific Name | Asclepias asperula | USDA PLANTS Symbol | ASAS |
| Common Name | Antelope Horns | ITIS Taxonomic Serial No. | 30247 |
| Family | Apocynaceae (Dogbane) | SEINet Reference |
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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 Map Color Key |
Texas Status: Native |
Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2024