Dioecious; fls in small clusters on twigs of the previous year, the pistillate ones usually few; sep greenish-yellow within; fls with an 8-lobed disk at the summit of the hypanthium; stamens 8, alternating with the lobes of the disk; pistillate fls with the hypanthium constricted at the summit; fr ±berry-like, without a well developed stone; lvs opposite. (Lepargyrea) 3, N. Amer.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.