Pigeon grass

Setaria surgens

Leaves:
Blade - Flat or rolled.
Ligule - May be a rough rim of hairs.
Auricles -
Stems:
Flower stem - Erect.
Flower head:
Dense spike-like cylindrical panicle with single or clustered spikelets with one or more bristles underneath.
Flowers:
Spikelets -
Florets - 2 florets in each spikelet. Lower one male or empty upper one bisexual.
Glumes -
Palea - On lower floret it is membranous, on upper floret it is convex and finely pitted similar to lemma.
Lemma -
Stamens -
Anthers -

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