Hypanthium obconic; sep triangular, ascending; pet 5, obovate to orbicular, spreading; stamens 15-20; pistils in our spp. 2-4, half-inferior, ±separate above, the styles distinct; fr a small orange-red pome, each locule with 1 or 2 elongate, flattened seeds; trees or shrubs with odd-pinnate lvs (lfls in ours 11-17) and numerous white fls in branched, round or flattened clusters. Often submerged in Pyrus. 100, N. Temp.
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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