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Asclepias erosa
Asclepias erosa Torr.
Desert Milkweed
Asclepiadaceae (Milkweed Family)
Synonym(s):
USDA Symbol: ASER2
USDA Native Status: L48 (N)
Desert Milkweed stands tall with white to yellow flowers in contrast to its green to yellow stem. Leaves vary from mostly smooth to highly pubescent, i.e. covered with fine cream-colored hair, making identification somewhat difficult. This species requires well-drained soils and is limited to deserts and near desert conditions with sandy soils (Webref 20).
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Plant Characteristics
Duration: PerennialHabit: Herb , Subshrub
Leaf Arrangement: Opposite
Leaf Shape: Lanceolate , Ovate
Fruit Type: Follicle
Size Notes: Up to about 6 feet tall.
Leaf: Ovate to laceolate. Color is pale to dark green. Can be hairy to hairless. Edges are wavy and bend upward around main central vein.
Flower: Color is white to yellow. Horns protrude from the hoods. The corolla folds back from the hoods after blossoming. Umbels stand erect with 20 +/- flowers. Thick peduncle. Flower is 1/8 in (5-6 mm) long.
Bloom Information
Bloom Color: White , YellowBloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct
Distribution
USA: AZ , CA , NV , UTNative Habitat: Desert regions, mountain slopes, and roadsides.
Growing Conditions
Light Requirement: SunSoil Description: Needs dry granite, sand, or clay soils with low organic content.
Conditions Comments: Not shade tolerant, needs full sun.
Benefit
Use Other: Native American’s would boil the latex from this plant until hard and would use it as chewing gum.Conspicuous Flowers: yes
Interesting Foliage: yes
Attracts: Butterflies
Nectar Source: yes
Poisonous: yes
Additional resources
USDA: Find Asclepias erosa in USDA PlantsFNA: Find Asclepias erosa in the Flora of North America (if available)
Google: Search Google for Asclepias erosa
Metadata
Record Modified: 2014-10-10Research By: DEW