Abstract: Species T.wattii (C.B. Clarke ) Hook. f. affinis sed tubo perianthii intus prope aperturam laminis tenuibus carnosis margine repando-dentatis prae-dito; lobis perianthii elliptico-lanceolatis vel elliptico-ovatis, apice acuminatis vel obtusis; bracteis brevissimis 6- 8 mm longis; spica apice ebracteata; pedunculo 1 cm longo, 1-3-bracteato praedito; foliis brevioribus angustioribusque differt. Rhizoma repens cylindricum gracile leviter curvatum 24-32 cm longum 2-4 mm diam. flavo-brunneum. Folia 5-6 chartacea vel subcoriacea, elliptica vel ovata 5-6.5 cm longa 2.5-3.5 cm lata, apice acuminata, basi cuneata vel late cuneata, margine integra, utrinque glabra, petiolo circ, 2.5 cm longo vel brevissimo, basi dilatato et vaginato; vaginae squamiformes 4-6.

Key words: new species, tupistra, emeishan