Home » Scientific Research » NYMF » NYMF Encyclopedia » Table of Contents
Sorbus -
by Gerry Moore
Not peer reviewed
Last modified: 09/08/2006
Nomenclature
Sorbus L., Sp. Pl. 477. 1753. Gen. Pl., ed. 5, 213. 1754. Aucuparia Medik., Philos. Bot. 1: 138. 1789, nom. illeg. (Art. 52.1). LECTOTYPE: Sorbus domestica L. sole member of genus after Medikus moved S. aucuparia to Aucuparia Medikus (1789). Sorbus domestica, however, is in serious conflict with the protologue Brizicky (1968) and to be superceded by Sorbus aucuparia L.
Pyrenia Clairv., Man. Herbor. Suisse 161. 1811. TYPE: Not designated.
Key to the species of Sorbus
1. Twigs, lower surface of leaflets, branches of the inflorescence and
hypanthium all densely white-villous; winter buds white-villous, not
glutinous...Sorbus
aucuparia
1. Twigs, leaflets, branches of the inflorescence and
hypanthium glabrous or glabrate...2.
2. Flowers 5-6 mm across; inflorescence dense, glabrous; fruit
4-6 mm across...Sorbus americana
2. Flowers
8-10 mm across; inflorescence loose, slightly pubescent; fruit 7-10 mm
across...Sorbus decora