# Texas Antelope Horns

*Asclepias asperula subsp. capricornu* (Woodson) Woodson

The antelope horns of the southern plains, and the plant most Texans mean by the name. It is the eastern of the two subspecies, on prairie and limestone rather than desert mountain.

## How to tell it apart

Leaves are lanceolate and broader, the flower stalk is short, under about 7 cm, and the seed pods are covered in small warty bumps along most of their length. Crown segments are white with a reddish-purple back.

## Where it grows

Low country, 50 to 1,200 m, across Texas and Oklahoma into Kansas and Nebraska. In Nebraska it is known from one site in Nuckolls County and is of conservation concern there.

States: KS, NE, OK, TX

## Other names

Asclepias capricornu; Asclepias asperula var. decumbens; Asclepiodora decumbens

Source: Flora of North America vol. 14 (2023).