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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 caespitosus

HABIT Perennial; caespitose; clumped densely. Culms erect; 3–6 cm long. Ligule a fringe of hairs. Leaf-blades filiform; convolute; 3–6 cm long; 0.5 mm wide. Leaf-blade apex filiform.

INFLORESCENCE Inflorescence a panicle; shorter than basal leaves.

Panicle open; linear; 1–2 cm long.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 3 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes deciduous; similar; reaching apex of florets. Lower glume linear; 1.5–2 mm long; 0.5–0.75 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 2.5 mm long; 0.8 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.

FLORETS Fertile lemma ovate; 3 mm long; membranous; without keel; 1 -veined. Lemma apex acute. Palea 1 length of lemma; 2 -veined. Palea keels approximate.

FRUIT Caryopsis with free soft pericarp.

DISTRIBUTION Africa: middle Atlantic ocean.

NOTES Eragrostideae. WDC 1997.

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