Twigs quadrangular to nearly terete, pubescent to glabrous. Buds naked. Leaves 2-ranked. Leaf blade elliptic, ovate, or ovate-lanceolate; surfaces adaxially scabrous. Flowers maroon or reddish brown, rarely greenish or green-tipped, with strawberry or pineapple scent. x = 11.

Hypanthium urceolate, with a narrow mouth; tepals slender; stamens 10-20, ribbon-shaped. 2, U.S.

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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