Sorbaria sorbifolia (L.) A.Braun
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Shrub 1–2 m, the younger parts with a flocculent, deciduous, stellate tomentum; stipules lanceolate, 1 cm; lfls lanceolate, 3–7 cm, acuminate, doubly serrate; infl 1–3 dm, with ascending branches; sep 1.3–1.5 mm, often erose; pet 2.5–3 mm; stamens to 8 mm; pistils pubescent; 2n=36. Native of e. Asia, sometimes found along roadsides and fence-rows as an escape from cult. July. (Schizonotus s.)