Asclepias asperula

Asclepias asperula is a species of milkweed plant. It is commonly known as antelope horns, green-flowered milkweed, spider antelope horns and spider antelopehorns. It belongs to the subfamily Asclepiadoideae. It is native to the southwestern United States and northern Mexico. It blooms from April to June. This species likes to grow in moist sandy or rocky soil. Antelope horns grows from 0.3 to 0.6 meters (1-2 feet).

Antelope horns
File:Asclepias asperula 6.jpg
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Gentianales
Family:	Apocynaceae
Subfamily:	Asclepiadoideae
Genus:	Asclepias
Species:	A. asperula
Binomial name
Asclepias asperula

Asclepias Asperula Media

• Antelope horns flower.png

  Antelope horns flower

• Parts of a antelope horns flower.jpg

  Parts of an antelope horns flower

• Cross section of a single antelope horns flower.png

  Cross section of a single antelope horns flower

• Antelope horns pollinarium.png

  Antelope horns pollinarium

• Parts of an Antelope horns pollinarium's.png

  Parts of an Antelope horns pollinarium's

• Antelope Horns pollen tube.png

  Antelope Horns pollen tube

Other websites

• Asclepias asperula at USDA PLANTS Database
• Asclepias asperula at Kansas Wildflowers and Grasses Archived 2008-02-21 at the Wayback Machine