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Abstract

A new species of Carex sect. Mitratae, C. ledongensis, is described and illustrated from Hainan, South China. The new species is similar to C. pseudotristachya but differs from the latter in its leaves much longer than culms, inflorescence with 3 spikes, terminal spike with 1.5 cm long peduncle, lateral spikes bisexual, perigynia fusiform, 6-8 mm long, and nutlets brownish black, 5-6 mm long.