Dinebra

Jacq.
Source: 
SSA
Description: 
Annual, tufted to decumbent. Leaf blade expanded, linear, glabrous; ligule a narrow fringed membrane. Inflorescence narrow with many dense, short, very compact spikes on a central axis, these becoming deflexed at maturity, lower spikelets of each spike often replaced by small deciduous branchlets, rachis of spikes flattened; spikelets solitary, sessile. Spikelet 5.7-9.0 mm long, laterally compressed, disarticulating above glumes and between florets, wedge-shaped; glumes +/- equal, as long as to longer than spikelet, lanceolate, glabrous, long-acuminate, tapering into a short, straight awn, 1-nerved, keeled, scabrid on keels. Florets 1-3, bisexual but uppermost floret reduced; lemma less firm to similar in texture to glumes, membranous, lanceolate, acute, 3-nerved, keeled, glabrous or pilose around lower half of back and along lateral nerves, usually minutely 2-toothed and mucronate at apex; palea as long as lemma, bidentate, 2-keeled, membranous, pilose on flaps alongside keels. Lodicules 2. Stamens 3. Ovary glabrous; styles distinct, short, plumose. Caryopsis ellipsoid-oblong. x= 10.
Distribution: 
Species 3, Africa to India and Madagascar; 1 in sthn Afr.: Dinebra retroflexa (Vahl) Panz. var. condensata S.M.Phillips, Namibia, Bo- tswana, northern provinces of South Africa.
Classification: 

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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith