Volume V (2000) - Flora of New Zealand Gramineae
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Eragrostideae

ERAGROSTIDEAE

Ligule a line of hairs or sometimes membranous. Inflorescence a panicle or composed of tough unilateral racemes digitate or scattered along an axis. Spikelets 1-several-many-flowered, lower florets ⚥ and uppermost ± reduced, usually laterally compressed; disarticulation between florets. Glumes usually persistent, membranous, 0-1-nerved, < lowest lemma. Lemma membranous to coriaceous, 1-3-nerved, entire or 2-3-lobed with or without 1-(3) straight or flexuous terminal awns. Caryopsis sometimes with free pericarp.

Key

1
Spikelets 1-flowered
Spikelets 2-many-flowered
2
2
Inflorescence of racemes
3
Inflorescence a panicle, or reduced to a few spikelets
4
3
Racemes digitate or subdigitate, ± spreading from a short rachis; lemma keel broad, often thickened and with subsidiary nerves
Racemes scattered and closely appressed along rachis; lemma keel slender, lacking nerves
4
Florets bisexual; caespitose
Florets unisexual; rhizomatous
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