GrassBase - The Online World Grass Flora

Descriptions

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

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

Eragrostis nevinii

HABIT Perennial; caespitose. Culms erect, or geniculately ascending; 20–50 cm long; 5–6 -noded. Leaf-sheaths hirsute. Ligule a fringe of hairs. Leaf-blades involute; 4–11 cm long; 3–4 mm wide. Leaf-blade surface pubescent; hairy on both sides.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted; linear, or oblong; 10–15 cm long; 1–2 cm wide. Primary panicle branches appressed; 1.5–2.5 cm long.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 4–14 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 4–8 mm long; 2–3 mm wide; breaking up at maturity; rhachilla persistent; retaining paleas.

GLUMES Glumes similar; shorter than spikelet. Lower glume lanceolate; 1.5 mm long; 0.75 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 2 mm long; 0.75 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.

FLORETS Fertile lemma ovate; 2.5 mm long; membranous; keeled; 3 -veined. Lemma apex acute. Palea keels winged; narrowly winged; ciliolate. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 0.5 mm long.

FRUIT Caryopsis with adherent pericarp; oblong; 1 mm long.

DISTRIBUTION Asia-temperate: China and eastern Asia.

NOTES Eragrostideae. Fl China 2007.

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