摘 要 ：Species affinis B. fangianae(A．Camus)Keng f. et Wen,sed laminis vaginarum erectis，magnis，planis，5—7.5 mm latis；laminis foliorum ad 7.5 mm latir，nervis secundariis 2—3－jugis，racemis simplicibus，involucro longissimo ad basin，spiculis 2-3；paleis saepe haud ciliatis in carinis；antheris 3.5-4.5 mm longis;stigmatibus 3 differt．
Abstract:Species affinis B. fangianae(A．Camus)Keng f. et Wen,sed laminis vaginarum erectis，magnis，planis，5—7.5 mm latis；laminis foliorum ad 7.5 mm latir，nervis secundariis 2—3－jugis，racemis simplicibus，involucro longissimo ad basin，spiculis 2-3；paleis saepe haud ciliatis in carinis；antheris 3.5-4.5 mm longis;stigmatibus 3 differt．