Diervilla lonicera Mill.
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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
Caprifoliaceae
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Scientific Name
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Description
Species Description - Shrub to 12 dm; twigs terete; petioles 3–10 mm; lvs oblong-lanceolate to oblong-ovate, 8–15 cm, acuminate, serrulate, ciliate-margined, sometimes also hairy beneath; peduncles 3–7-fld; cal-lobes 4–5 mm; cor 12–20 mm, yellow, turning reddish, hairy within; fr slender, beaked, 8–15 mm, tardily dehiscent; 2n=36. Dry or rocky soil; Nf. to Sask., s. to N.C., Tenn., Ind. and Io. June, July. (D. diervilla)