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Asclepias amplexicaulis - (image 1 of 3)

Taxonomy

Family: Asclepiadaceae

Habitat

Dry fields, prairies, open woods, usually in sandy soil.

Associates

Distribution

NH to southeast MN, south to FL, NE, and TX.

Morphology

Herbaceous perennial; stems unbranched, erect or decumbent, 30-80 cm; leaves in 2-5 pairs, oval or broadly oblong, 7-15 cm, obtuse or rounded at the summit, broadly rounded or commonly cordate as the sessile or subsessile base; peduncle 10-30 cm, single or rarely two; umbel solitary, terminal, large, usually many-flowered; corolla greenish-purple, the lobes 8-11 mm; hoods pink, 5 mm, about equaling the gynostegium, the lateral margins adjacent, the broad summit truncate, entire or with a few low obtuse lobes; horns subulate, much exsert; fruit 10-13 cm, erect on deflexed pedicels.

Notes

Flowers June to August

Wetland Indicator: NA

Unfortunately I haven't yet been able to catch this species in bloom. It is supposed to bloom into July or August but in Ohio where these pictures were taken they have always finished flowering by the beginning of July.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

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