Jepson eFlora
Key to families | Table of families and genera

Key to Pennisetum

View taxon page for Pennisetum

1. Flower stem decumbent; inflorescence raceme-like, axis flattened, ± enclosed by sheath at maturity; subtending bristles < spikelets; spikelets in 1–6 clusters ..... P. clandestinum

1' Flower stem erect; inflorescence panicle-like, axis round in ×-section, clearly exserted from sheath at maturity; subtending bristles >= spikelet; spikelets in 10–many clusters

2. Inner bristles fused to 1/4 length ..... P. ciliare

2' Inner bristles free to base

3. Plant cespitose; inflorescence pink to dark red; spikelets 4.5–7 mm ..... P. setaceum

3' Plant rhizomatous; inflorescence white to light brown; spikelets 9–12 mm ..... P. villosum

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