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Descriptions

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

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

Eriachne agrostidea

HABIT Annual. Culms 5–30 cm long. Ligule a fringe of hairs. Leaf-blades filiform; 1.5–9 cm long; 0.5 mm wide.

INFLORESCENCE Inflorescence a panicle.

Panicle open; oblong, or ovate; dense, or loose; 1–3 cm long; bearing few spikelets.

Spikelets solitary. Fertile spikelets pedicelled.

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

GLUMES Glumes persistent; similar; reaching apex of florets, or exceeding apex of florets; thinner than fertile lemma. Lower glume ovate; 1 length of upper glume; membranous; without keels; 7 -veined. Lower glume apex acuminate; mucronate. Upper glume ovate; 3–3.5 mm long; membranous; without keels; 7 -veined. Upper glume apex acuminate; mucronate.

FLORETS Fertile lemma ovate; laterally compressed; 3 mm long; coriaceous; without keel. Lemma surface glabrous. Lemma margins involute; ciliate. Lemma apex acute; awned; 1 -awned. Principal lemma awn 4.5–17 mm long overall. Palea 1 length of lemma; cartilaginous.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Australasia: Australia.

NOTES Eriachneae. WDC 1994.

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