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.

Chaetopogon

HABIT Annual. Culms geniculately ascending, or decumbent; 4–20 cm long. Ligule an eciliate membrane.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted.

Spikelets solitary. Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 2.49–3.6 mm long; falling entire. Spikelet callus oblong.

GLUMES Glumes exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 1 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume surface without pits. Lower glume apex acute; awned. Upper glume lanceolate; 1.1 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume lateral veins ribbed. Upper glume surface scabrous. Upper glume apex acute.

FLORETS Fertile lemma elliptic; hyaline; without keel; wingless; 1 -veined. Lemma surface unwrinkled; without grooves. Lemma apex acute. Palea 0.5 length of lemma; hyaline; 0 -veined; without keels.

FLOWER Anthers 3. Ovary glabrous.

DISTRIBUTION Europe, or Africa.

Please cite this publication as detailed in How to Cite Version: 27th January 2014.