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Descriptions
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
Sporobolus somalensis
HABIT Perennial; cushion forming. Stolons present. Culms prostrate; 6–30 cm long. Ligule a fringe of hairs. Leaf-blades 0.5–8 cm long; 1–2 mm wide; stiff; glaucous.
INFLORESCENCE Inflorescence a panicle.
Panicle open; ovate; effuse; 2–9 cm long. Panicle branches glabrous in axils.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 1.7–2 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes deciduous; similar; shorter than spikelet. Lower glume oblong; 0.5–1.2 mm long; 0.7 length of upper glume; hyaline; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex erose; truncate. Upper glume oblong; 0.7–1.7 mm long; 0.5–0.66 length of adjacent fertile lemma; hyaline; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex obtuse.
FLORETS Fertile lemma ovate; 1.7–2 mm long; hyaline; without keel; 1 -veined. Lemma apex erose; truncate. Palea 2 -veined. Palea keels approximate.
FLOWER Anthers 3; 1–1.5 mm long.
FRUIT Caryopsis with free soft pericarp.
DISTRIBUTION Africa: northeast tropical.
NOTES Eragrostideae. WDC.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.