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Asclepias meadii

Asclepias meadii Torr. ex A. Gray

Mead's Milkweed

Asclepiadaceae (Milkweed Family)



USDA Native Status: L48 (N)

The U.S. Fish & Wildlife Service officially listed Asclepias meadii as “Threatened” in 1988. Historical records indicate this species has been rare since the arrival of Europeans in North America (Woodson, 1941) and their destruction of native prairies by European agricultural practices and urbanization.

Threatened nationally; Endangered in IA, IL, MO; Reintroduced in IN.


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Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Arrangement: Opposite
Size Notes: 12-36 in.
Leaf: 2-6 pairs of opposite, narrow, tapering off to a point. Length 2-2.8 inches. Width 4-2 inches. Hairless.
Flower: Usually has one nodding umbel per stem, approximately 15 flowers with .8 inches long pedicels. Flower color is greenish or slightly yellow with occasional hints of purple, and the texture of the flower appears to be waxy. The individual flowers have 5 tubular hood shaped structures; and have horns that protrude out from them.
Fruit: Seeds mature from July to October. Color of the pods are originally green, but as they mature turn brown. Pods grow to be 1 ˝ to 4 inches long.
Size Class: 1-3 ft.

Bloom Information

Bloom Color: Yellow , Green
Bloom Time: May , Jun


USA: IA , IL , IN , KS , MO , WI
Native Habitat: Native tall grass prairies and some glades in the Ozarks, Missouri. It grows well in prairies that are regularly burned and in rocky open areas. In general areas with low competition from other plants.

U.S. Fish & Wildlife Service Threatened & Endangered Status

USFWS Species Profile: Q1T6
Status: Threatened
Historic Range: U.S.A. (IA, IL, IN, KS, MO, WI)
Critical Habitat: N/A
Special Rules: N/A
This information is derived from the U.S. Fish & Wildlife Serrvice Environmental Conservation Online System.

Web Reference

Webref 20 - Milkweed Profiles (0) Monarch Watch

Additional resources

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


Record Modified: 2014-11-12
Research By: DEW

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