Sporobolus harmandii

HABIT Annual; caespitose. Culms erect; 25–50 cm long. Culm-nodes glabrous. Leaf-sheaths glabrous on surface. Ligule a fringe of hairs. Leaf-blades flat; 5–10 cm long; 5–6 mm wide; flaccid. Leaf-blade margins tuberculate-ciliate. Leaf-blade apex acuminate.

INFLORESCENCE Inflorescence a panicle.

Panicle open; lanceolate; 7–14 cm long; 1–2.7 cm wide. Primary panicle branches whorled at most nodes; 1–2 cm long. Panicle branches capillary.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 1.5 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes deciduous; similar; reaching apex of florets; shiny. Lower glume lanceolate; 0.8 mm long; 0.5 length of upper glume; hyaline; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 1.4 mm long; 1 length of adjacent fertile lemma; hyaline; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.

FLORETS Fertile lemma lanceolate; 1.4 mm long; membranous; without keel; 1 -veined. Lemma apex acute. Palea 1 mm long; 2 -veined. Palea keels approximate. Palea apex truncate.

FLOWER Anthers 2; 0.5 mm long; yellow.

FRUIT Caryopsis with free soft pericarp; ovoid; laterally compressed; 1 mm long; red.

DISTRIBUTION Asia-tropical: Indo-China and Malesia.

NOTES Eragrostideae. Gilliland 1993.

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