Chaenomeles speciosa (Sweet) Nakai
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Rarely escapes from cult. It is a thorny shrub to 2(–3) m, with lustrous, oblong or elliptic, finely serrate lvs 4–8 cm, and red, pink, or white fls 4–5 cm wide. (C. lagenaria)