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Leersia
See list of 2 species in this genus-
1a. Branches of the panicle 2 or more at some of the nodes; florets with 3 stamens; lemmas 4–7.5 mm long; principal leaf blades 15–30 cm long
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1b. Branches of the panicle 1 per node; florets with 2 stamens; lemmas 2.9–4.1 mm long; principal leaf blades 5–20 cm long
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Each photo represents one species in this genus.