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Key to Dichanthium

Poaceae

Dichanthium

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1 Rachis joints and pedicels with long white hairs; lower glume with an apical arc of long hairs; pedicellate spikelets usually sterile
1 Rachis joint hairs short; glumes without an arc of apical hairs; pedicellate spikelets usually staminate.
  2 Stem nodes glabrous or with a band of short hairs; ligules absent or minute; rame bases pilose; lower glume of sessile spikelets obovate
  2 Stem nodes with a conspicuous collar of long hairs; ligules well-developed; lower glume of sessile spikelets elliptic-oblong