Stems 10-20 cm tall  05-1 mm in diam Leaves narrowly linear to linear  1-25 cm × 04-1 mm  sheath 15-3 mm  deeply auriculate  auricles narrowly triangular or lanceolate  1-2 mm  serrulate with several teeth on each side  apex acute  leaf margin minutely and densely serrulate with 30-50 inconspicuous teeth on each side  consisting of brownish spine cells only