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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Asclepias macrotis

Asclepias macrotis Torr.

Longhood Milkweed

Asclepiadaceae (Milkweed Family)



USDA Native Status: L48 (N)


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Plant Characteristics

Duration: Perennial
Habit: Subshrub
Fruit Type: Follicle
Size Notes: Up to about 14 inches tall.

Bloom Information

Bloom Color: Yellow , Green , Purple , Brown
Bloom Time: May , Jun , Jul , Aug , Sep , Oct


USA: AZ , CO , NM , OK , TX

Web Reference

Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Webref 11 - Vascular Plants of the Gila Wilderness (2012) Western New Mexico University Department of Natural Sciences & the Dale A. Zimmerman Herbarium

Additional resources

USDA: Find Asclepias macrotis in USDA Plants
FNA: Find Asclepias macrotis in the Flora of North America (if available)
Google: Search Google for Asclepias macrotis


Record Modified: 2023-06-13
Research By: DEW

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