%A Hsu Ting-zhi %T A NEW SPECIES OF ACER FROM EMEISHAN %0 Journal Article %D 1983 %J Plant Diversity %R %P 1-3 %V 5 %N 03 %U {https://journal.kib.ac.cn/CN/abstract/article_31975.shtml} %8 1983-06-25 %X Acer tienchuanense Fang et soong in Acta phytotax.Sin.11(2):187-188(1966)quoad specimen K.H.Yang 54576.Species flores 6-numero, in Acer L. adhuc minus cognita. Arbor, 5-12 m alta. Cortcx flavescenti-cinereus. Ramuli robusti, glabri, hornotini flavescenti-cinerei, sparse lenticellis. Gemmae ellipsoideae, major, pe- rulae 4-6, ovatae, brunneae, superimpositae margine ciliolatis. Folia trifolio- lata; foliola chartacea, oblongo-lanceolata vel oblongo-elliptica, (9-) 10-14 cm longa, 2.5-5 cm lata, apice acuminata, basi truncatus, margine sparse crenata, supra viridia, glabra, subtus glauca, cinerea, ad nervos albo-villosa, ad axilles barbata; costa supra conspicua, subtus elevata; nervis lateralibus 6-7, subtus elevatis, petioluli foliolorum centralium 5-10 mm longi, petiolus 3.5-7 cm longus, glabrus, basi dilatatus. Inflorescentia corymbosa, 2.5-3.5 cm longa, glabra.