Hybrid of nos. 4 [Lonicera tatarica L.] and 6 [Lonicera morrowii A. Gray], often taller, to 6 m; lvs slightly hairy beneath; peduncles 5-15 mm, sparsely hairy; cor and margins of the sep glabrous; cor pink, fading yellow. Escaped from cult. and well established in parts of our range, as in Mich., Wis., and Minn.

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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