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Volume V (2000) - Flora of New Zealand Gramineae
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Stenostachys Turcz.

Stenostachys Turcz., 1862

=Cockaynea Zotov, T.R.S.N.Z. 73: 233 (1943).

Type species: S. narduroides Turcz.

Slender hairy stoloniferous grass with extravaginal branching, and with long graceful glabrous culms with drooping or nodding inflorescences. Spikelets solitary, sessile at nodes, edgewise to sinuous, antrorsely toothed rachis, appressed, imbricate, in narrow slender spikes of 10-30 spikelets with 1-3 awned to mucronate florets disarticulating above glumes. Glumes parallel to rachis, scabrid, aristate, > rachis internodes, or absent or reduced to small stumps; rachis prolonged. Lodicules ciliate. Ovary with apical corona and hispid hairs. Caryopsis adherent to palea; hilum = caryopsis.

Key

1
Glumes absent or minute or very occasionally awn-like and mixed in inflorescence; lemma conspicuously prickle-toothed
2. gracilis
Glumes awn-like, ≥ rachis internodes; lemma smooth except below awn, occasionally sparsely prickle-toothed elsewhere
2
2
Lemma mucronate or shortly awned between lateral teeth at apex; palea apex bifid
3. laevis
Lemma long-awned, rarely laterally toothed at apex; palea apex produced or retuse
1. deceptorix

Endemic genus of three species.

Treatment follows Connor, H. E. N.Z. J. Bot. 32: 125-154 (1994) excluding it from Elymus as treated by Löve, Á. and Connor, H. E. N.Z. J. Bot. 20: 169-186 (1982).

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