Chaetopogon fasciculatus

HABIT Annual. Culms geniculately ascending, or decumbent; 4–20 cm long. Ligule an eciliate membrane; 3–5 mm long. Leaf-blades 1–8 cm long; 0.5–1 mm wide.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted; linear, or oblong; 0.5–12 cm long.

Spikelets solitary. Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 3 mm long; falling entire. Spikelet callus oblong; 0.3–0.5 mm long.

GLUMES Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 1 length of upper glume; membranous; without keels; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex acute; awned; 1 -awned. Lower glume awn 3–9 mm long. Upper glume lanceolate; 3 mm long; 1.1 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume primary vein scabrous. Upper glume lateral veins ribbed. Upper glume surface scabrous; rough on veins. Upper glume apex acute.

FLORETS Fertile lemma elliptic; 3 mm long; hyaline; without keel; 1 -veined. Lemma apex acute. Palea 0.5 length of lemma; hyaline; 0 -veined; without keels.

FLOWER Anthers 3; 1.8 mm long. Ovary glabrous.

DISTRIBUTION Europe: southwestern and southeastern. Africa: north.

NOTES Aveneae. WDC.

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