Neosinocalamus affinis (Rendle) Keng f. f,purpureo-striata Yi——a New Forma of Neosinocalamus affinis (Rendle) Keng f. from China (Babusoideae,Poaceae) and a New Synonym of Drepanostachyum Keng f.
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Graphical Abstract
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Abstract
A new forma of the Neosinocalamus affinis (Rendle) Keng f. is reported in this paper. That is Neosinocalamus affinis (Rendle) Keng f. f. purpureo-striatus Yi. The lower internodes of its young culm are green with violet stripes. Its growing area is Dujiangyan City,Sichuan. Small lateral inflorescens and short rachires etc. are quantitative changes. It is not divisional standard of genus. Therefore Petrocalamus Z. P. Wang,N. X. Ma et W. Y. Zhang is a new synonym of Drepanostachyum Keng f.
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