GrassBase - The Online World Grass Flora


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

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

Eragrostis minor

HABIT Annual; caespitose. Glands wart-like (on keel). Culms geniculately ascending; 6–60 cm long. Ligule a fringe of hairs. Leaf-blades 3–12 cm long; 1–5 mm wide. Leaf-blade margins glandular, or eglandular.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate; dense, or loose; 4–20 cm long. Panicle branches stiff; eglandular, or glandular.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong; 1–3 mm long; eglandular, or glandular.

FERTILE SPIKELETS Spikelets comprising 6–16(–40) fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 3–15 mm long; 1.3–2 mm wide; breaking up at maturity; rhachilla persistent; retaining paleas. Rhachilla internodes definite.

GLUMES Glumes deciduous; similar; shorter than spikelet. Lower glume ovate; 1–1.7 mm long; 1 length of upper glume; eglandular, or glandular (on keel); 1-keeled; 1–3 -veined. Lower glume apex acute. Upper glume ovate; 1–1.7 mm long; 0.7–0.8 length of adjacent fertile lemma; eglandular, or glandular; 1-keeled; 1–3 -veined. Upper glume apex acute.

FLORETS Fertile lemma ovate, or orbicular; 1.5–2 mm long; chartaceous; yellow, or grey, or purple; glandular on veins (keel); keeled; 3 -veined. Lemma lateral veins distinct. Lemma apex obtuse. Palea keels scabrous. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 0.3 mm long.

FRUIT Caryopsis with adherent pericarp; oblong; 0.7–0.8 mm long; dark brown.

DISTRIBUTION Europe: central, southwestern, southeastern, and eastern. Africa: north, Macaronesia, west tropical, northeast tropical, east tropical, south, middle Atlantic ocean, and western Indian ocean. Asia-temperate: Siberia, Soviet far east, Soviet Middle Asia, Caucasus, western Asia, Arabia, China, Mongolia, and eastern Asia. Asia-tropical: India, Indo-China, Malesia, and Papuasia. Australasia: Australia. Pacific: southwestern and northwestern. North America: eastern Canada, north-central USA, northeast USA, southwest USA, south-central USA, and southeast USA. South America: northern South America, Brazil, and southern South America.

NOTES Eragrostideae. FTEA.

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