Abstract: Species affinis I.tephrophyllae (Loesen.) S. Y. Hu, sed foliis 4- 6 cm latis, fructuum pediceliis 1 mm longis, stigmatibus capitatis differt. Arbor sempervirens, 8 m alta, trunco 20 cm diam; ramulis cillereis,angulosis, glabris, vix lenticellatis; gemmis conicis, glabris. Folia cinereo-viridia, utrinque non nitida, glabra, coriacea, elliptia vel obovato-elliptica, 10-12 cm longa, 4- 5 (- 6 ) cm lata, apice, abrupte longeve acuminata usque ad caudata, basi subrotundata vel late cuneata, costa supra impressa subtus prominente, nervis lateralibus 8-10-jugis utrinque valde conspiccuis elevatis, venulis prominentibus, petioli graciles 1-1.5 cm longi, glabri.

Key words: new taxa, aquifoliaceae, celastraceae, Xizang