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Asclepias subverticillata (Gray) Vail
Horsetail milkweed, Poison Milkweed
USDA Symbol: ASSU2
USDA Native Status: Native to U.S.
A plant forming feathery clumps or patches and bearing white, star-like flowers in round umbels and 3-5 very narrow leaves in whorls at nodes; sap milky.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Bloom InformationBloom Time: May , Jun , Jul , Aug , Sep
AZ , CO , ID , KS , MO , NE , NM , NV , OK , TX , UT , WY Native Distribution:
Idaho, Nevada, and Arizona east to Missouri and south to Texas and Mexico. Native Habitat:
Sandy or rocky plains and desert flats and slopes; common along roadsides. USDA Native Status: L48(N)
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Sibley Nature Center
- Midland, TX
Recommended Species Lists
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Record Modified: 2007-01-01
Research By: TWC Staff