Abstract:Ex affiilitate S.tubiferae Batal. s. l ., a S. fusciduliflora Kawano racemo glabro, perianthii partibus interioribus margine ciliolatis distincta. Rhizoma glacile, 1.5-2.2 mm crassum. Caulis 5 -20 cm altus, superne minute pubescens. Folia 2, papyracea, alternata ovata vel oblongo-ovata, 2-5 cm longa, 1.5- 3 cm lata, apice acuta vel abrupte acuminata, basi subrotunda vel subcordata, supra viridia subtus glauca, utrinque pubescentia, brevissimum desinentia. Racemus simplex, glabrus, floribus 1 -4, 0.5- 3 cm longus.