Taxonomy
Family: Asclepiadaceae
Habitat
Dry soil. Prairies, woodland edges.
Associates
Distribution
Southern NH south to VA, west to WI, IA, KS, and OK.
Morphology
Perennial. Leaves opposite, thick, somewhat pubescent, ovate to elliptic-oblong, acuminate to acute, short petiolate, rounded at base. Corona hoods red to purple, with slender horn-like processes originating near their bases; reflexed corolla lobes 5 mm or longer, deep red or purple
Notes
Flowers June to July
Wetland Indicator: Facultative Upland
Prefers edges of woods that are shaded for part of the day. Contains cardiac glycosides.
References
Foster, S. and R.A. Caras. 1994. A Field Guide to Venomous Animals and Poisonous Plants: North America North of Mexico.
Houghton Mifflin Company. New York, NY. 244 pp.
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
Swink, F. and G.
Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
© Michael Hough 2004 |