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Antelope horns (Asclepias asperula), Alibates Flint Quarries National ...
A member of the milkweed family, Asclepias, Antelope horns are also known by the moniker spider milkweed. Named for its elongated seed pods, the plant forms clumps that may grow to 2' in height. Flowers appear ... More
Green Hairstreaks on Green-flowered Milkweed; Antelope Horns (51201810...
Callophrys sp. on Asclepias asperula NPS / Kailey Day
Spider Milkweed (5205494272)
Spider milkweed (Asclepias asperula var.asperula) bloom. NPS Photo/Rendall Seely