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Asclepias verticillata L.  

Explore 3 occurrences

Family: Apocynaceae
whorled milkweed
[Asclepias galioides Kunth]
Asclepias verticillata image
Morton Arboretum
  • Gleason & Cronquist
  • Resources
Vascular plants of NE US and adjacent Canada
Stems slender, erect from a cluster of fibrous roots, 2-5 dm, simple to the infl, pubescent in lines; lvs very numerous in whorls of 3-6, narrowly linear, 2-5 cm נ1-2 mm, revolute; umbels several from the upper nodes; peduncles 1-3 cm; fls white or greenish; cor-lobes 4-5 mm; hoods somewhat divergent, 1.5-2 mm, about equaling the gynostegium, their margins entire; horns subulate, much surpassing the hoods, inflexed over the gynostegium; fr slender, erect on erect pedicels, 7-10 cm; 2n=22. Fields, roadsides, upland woods, and prairies; Mass. to Fla., w. to Sask., Kans., and Ariz. June-Aug.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Asclepias verticillata
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Asclepias verticillata image
Morton Arboretum
Asclepias verticillata image
Morton Arboretum
Asclepias verticillata image
Morton Arboretum
Asclepias verticillata image
Morton Arboretum
Asclepias verticillata image
Morton Arboretum
Asclepias verticillata image
Morton Arboretum
Asclepias verticillata image
Robert Sivinski
Asclepias verticillata image
Asclepias verticillata image
Asclepias verticillata image
Asclepias verticillata image
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