Asclepias ovalifolia Decne.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Apocynaceae
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Scientific Name
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Description
Species Description - Slender, 2–6 dm; lvs firm, lance-ovate to oblong or elliptic, 3–6(–10) cm, cuneate to rounded at base, finely hairy beneath; petioles 2–8 mm; umbels solitary and terminal, or 1 or 2 lateral, loosely few-fld; cor greenish-white to greenish-purple, its lobes 5–7 mm; hoods as in no. 7 [Asclepias syriaca L.], even in size; pods merely thinly hairy; 2n=22. Dry prairies; n. Ill. to Wis., Minn., s. Sask., and w. S.D. June, July.
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Common Names
dwarf milkweed