Abstract: Species B.formosano Honda affinis, sed planta altiore et paniculis majoribus 10-multi-spiculatisque differt.Perennis, radicibus rigidis, basi usque ad 1 mm crassis; culmi laxe caespitosi,erecti, laeves, 0.6-1.2 m alti, 1.5-3 mm crassi, 5-8-nodes; vaginae inter-nodiis saepe longiores, glabrae vel laxe retrorsum pilosae, superiores saepe auriculatae, basales mortuae, nigro-brunneolae; ligula scariosa. brunneola, circ. 1.5 mm alta; laminae 15-45 cm longae, 3-9 mm latae, plerumque tuperne pilosae, inferne scaberulae; panicula aperta, cernua, 15-30 cm. longa; ramis saepe binis, tenuis, scabris, leviter refractis, 1-3-spiculatis.

Key words: latin, description, supplemented, new taxa