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Descriptions

W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Catabrosa longissima

HABIT Perennial. Culms prostrate; 40–100 cm long. Ligule an eciliate membrane. Leaf-blades flat; 5–14 mm wide.

INFLORESCENCE Inflorescence a panicle.

Panicle open; oblong, or ovate; loose; 30–40 cm long.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 2–3 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; 3.5–5 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume elliptic, or ovate; 1.5–1.8 mm long; 0.5 length of upper glume; membranous; without keels. Upper glume ovate; 1–1.5 mm long; 0.4 length of adjacent fertile lemma; membranous; without keels.

FLORETS Fertile lemma oblong; 2.5–3.5 mm long; membranous; much thinner above; without keel; 3 -veined.

DISTRIBUTION Asia-temperate: Caucasus and western Asia.

NOTES Poeae. Tsvelev 2014.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.