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Dissections:
Blepharidachne bigelovii

BLEPHARIDACHNE Hack. In Engl.
Plants hermaphroditic or monoecious, rhizomatous, perennial (ours). Culms decumbent or mat forming, hairy; internodes solid, terete. Leaves cauline or basal; sheaths terete, margins open; auricles absent; ligules absent or ciliate membrane; blades flat or involute, pungent (with a white indumentum). Panicles narrow (to 4 cm long); primary branches appressed (secondary branches appressed), terminating in a spikelet. Spikelets (occasionally unisexual) solitary, laterally compressed, awned, subsessile or pedicellate; florets 4 (3rd floret fertile), callus hairy; reduced floret (2) at base and (1) apex; disarticulation above glumes; glumes 1-veined, nearly equal, longer than spikelet, glabrous; lemmas 3-veined, membranous, apex 2-cleft (three toothed), awned or mucronate, villous, veins hairy; paleas 2-veined, awnless, hairy. Stamens 2-3; anthers yellow. Caryopses laterally compressed. Base chromosome number x=7.

A New World genus of about 3 species. This is a disjunct genus with one species in Argentina and two in western North America. Hunziker and Anton (1979) reported morphological similarities to Monroa.