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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 (Longhood milkweed)
Anderson, Wynn

Asclepias macrotis

Asclepias macrotis Torr.

Longhood Milkweed

Asclepiadaceae (Milkweed Family)

Synonym(s):

USDA Symbol: ASMA

USDA Native Status: L48 (N)

 

From the Image Gallery

3 photo(s) available in the Image Gallery

Plant Characteristics

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

Bloom Information

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

Distribution

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

Metadata

Record Modified: 2025-04-01
Research By: DEW

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