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Marcus, Joseph A.
Asclepias texana Heller
Texas milkweed, White milkweed
USDA Symbol: aste
USDA Native Status: Native to U.S.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: May , Jun , Jul , Aug , Sep
TX Native Habitat:
Woodlands edge, Opening, Ditches, Ravines, Depressions, Stream, river banks USDA Native Status: L48(N)
Growing ConditionsWater Use: Low
Light Requirement: Sun
Soil Moisture: Dry
Soil pH: Acidic (pH<6.8)
Soil Description: Sandy, Sandy Loam, Gravelly
Blooms ornamental Use Wildlife:
All plants in the genus
Asclepias are probably somewhat toxic, some fatally so, to both humans and animals. The sap
of some causes skin irritation in humans. Sensitivity to a toxin varies with a personís age, weight, physical condition, and individual susceptibility. Children are most vulnerable because of their curiosity and small size. Toxicity can vary in a plant according to season, the plantís different parts, and its stage of growth; and plants can absorb toxic substances, such as herbicides, pesticides, and pollutants from the water, air, and soil. Conspicuous Flowers:
PropagationPropagation Material: Seeds
Herbarium Specimen(s)NPSOT 0916
Collected Aug 20, 1994 in Bexar County by Mike Fox
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Record Modified: 2007-01-01
Research By: TWC Staff