Abstract: Affine J. lanceolario Roxb., sed foliis papyraceis ovato-lanceolatis, apice caudato-acuminatis margine undulatis, inflorescentiis cymoso-paniculatis laxis dif-fert.Frutex scandens, ramulis teretibus glabris flavescentibus. Folia opposita tri-foliata papyracea, foliolis inaequalibus, terminali ovato-lanceolato, 7 -8.5 cm longo, 2.7-3.5 cm lato, apice caudato-acuminato, basi truncato, supra glabro subtus tantum ad axillam nervorum flavo-puberulis inserto, ceterum glabro, ner- vis lateralibus 6-8 jugis ad marginem anastomosantibus et costa supra impressis subtus prominentibus, petiolo 1.5-2 cm longo; lateralibus oblongo-lanceolatis 4-6.2 cm longis, 1.3- 2 cm latis, petiolis brevibus 1.5-2.5 mm longis.

Key words: new taxa, jasminum, Yunnan