Asclepias asperula

Antelope horns

Secure  (NatureServe)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Apocynaceae
Genus: Asclepias
Species:
A. asperula
Binomial name
Asclepias asperula
Synonyms
  • Acerates asperula Decne.
  • Asclepias capricornu Woodson
  • Asclepias decumbens (Nutt.) K.Schum. nom. illeg.
  • Asclepiodora asperula (Decne.) E.Fourn.
  • Asclepiodora decumbens (Nutt.) A.Gray

Asclepias asperula, commonly called antelope horns milkweed or spider milkweed, is a species of milkweed native to the Southwestern United States and northern Mexico.