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Rush milkweed

Asclepias subulata

Rush milkweed
Photo: Stan Shebs, CC BY-SA 3.0
Family
Apocynaceae (Dogbane family)
Grows as
Perennial
Native range
S. Nevada to NW. Mexico
Climate
desert or dry shrubland

About

Asclepias subulata is a species of milkweed known commonly as the rush milkweed, desert milkweed or ajamete. This is an erect perennial herb which loses its leaves early in the season and stands as a cluster of naked stalks. Atop the stems are inflorescences of distinctive flowers. Each cream-white flower has a reflexed corolla that reveals the inner parts, a network of five shiny columns, each topped with a tiny hook. The fruit is a pouchlike follicle that contains many flat, oval seeds with long, silky hairlike plumes. This milkweed is native to the desert southwest of the United States and northern Mexico. It grows in dry slopes, mesas, plains and desert washes.

Researchers in Bard, California, tested the plant as a potential source of natural rubber in 1935.

Other Asclepias plants

Cartwheels · Cartwheels · Whitestem milkweed · Asclepias alpestris · Asclepias amabilis · Asclepias ameliae · Clasping milkweed · Arizona milkweed · Asclepias apocynifolia · Sand milkweed · Spider milkweed · Asclepias atroviolacea

Text excerpted from the Wikipedia article Asclepias subulata by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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