Humulus lupulus L.
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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
Cannabaceae
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Scientific Name
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Description
Species Description - Rhizomatous perennial vine to 10 m; principal lvs as broad as long, cordate at base, 3-lobed to below the middle, the upper lvs often broadly ovate and lobeless; petiole shorter than the blade; staminate infls 5–15 cm; pistillate spikes 1 cm, becoming 3–6 cm, the persistent, accrescent bracts entire and mostly blunt, stramineous, very glandular at base; 2n=20. Moist soil; N.S. to Man., Mont., and Calif., s. to N.C., Ark., and Ariz., and widely distributed in the Old World. July, Aug. 5 geographically significant vars., 3 in our range.
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Common Names
hops