摘要： <正> 1.石门鹅耳枥 新种 图版I∶1 Carpinus shimenensis C. J. Qi, sp. nov. Species insignis, ab omnibus speciebus generis foliis late ellipticis, vel late ovatooblongis, minoribus, 3-5 cm longis, 2-3 cm latis, margine acute dentato-duplica-to-serratis, nervis lateralibus 11-13 jugis, supra manifeste impressis, subtus conspicueelevatis, dense villosis, bracteis frucferis semiovatis vel semiovato-rotundis, extra marginedentato-lobatis, intra margine basi auritis facile distinguibilis. Arbor decidua alta 5 m, trunco 20 cm diametro; ramuli juvenales atro-grisei, deindelaete brunnei, internodiis brevissimis. Folia papyracea, elliptica, vel ovato-elliptica, 3-5cm longa, 2-3 cm lata, apice abrupte acura, obtusa vel aliquantum rotunda, basi cordata,aliquantum obliqua, supra adpresse byssaceo-villosa, nervis lateralibus utrinsecus 11-13,distantioni nervi 2-3 mm, cum costis supra impressis, subtus manifeste elevatis, margineirregulariter dentato-duplicato-serratis, serraturis abrupte acutis; petioli breves, crassi,4-11 mm longi, dense villosi; stipulae persistentes, circ. 7 mm longae, rubrobrunneae.Spica fructifera 3-3.5 cm longa, in rhachidi villosae; nuculae ovato-rotundae, circ. 4 mm

Abstract: This paoer deals with three new woody species found in Hunan province recently. One species is Carpinus and the others are two species of Sorbus. The discovery of these species will contribute to the sylvi-flora of Hunan, Morphological descriptions, distribution ranges and illustiations are given,