Asclepias stenophylla A.Gray
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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 - Puberulent to subglabrous; stems 1 or 2 on a carrot-like or tuberous vertical root, 3–10 dm; lvs rather numerous, alternate or scattered or some opposite or subverticillate, linear, 6–15 cm, to 5(–8) mm wide; umbels subsessile in the upper axils, 10–25-fld; cor pale greenish to yellow, its lobes reflexed, 4.5–5.5 mm; hoods pale, 3–4 mm, ca equaling the gynostegium; horn adnate to the hood for most of its length (forming a ventral ridge), only the short tip free between the short terminal lobes of the hood; frs slender, erect, 9–12 cm. Dry prairies and glades; se. Minn.; Great Plains, from se. Mont. to n. Tex., e. to se. S.D., s. Mo., and w. Ark. June–Aug. (Acerates s.)
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Common Names
narrow-leaved milkweed