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GrassBase - The Online World Grass Flora
Descriptions
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
Alloeochaete andongensis
HABIT Perennial; caespitose; clumped moderately. Butt sheaths coriaceous; glossy; woolly; persistent and investing base of culm; with fibrous dead sheaths. Culms erect; 30–60 cm long. Ligule a fringe of hairs; 0.8 mm long. Leaf-blades involute; 12–23 cm long; 3–6 mm wide. Leaf-blade apex pungent.
INFLORESCENCE Inflorescence a panicle.
Panicle open; oblong; 13–18 cm long. Primary panicle branches ascending; bearing spikelets almost to the base. Panicle branches puberulous.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 5–8 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 10–14 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1 mm long. Floret callus obtuse.
GLUMES Glumes persistent; dissimilar; shorter than spikelet; thinner than fertile lemma. Lower glume oblong, or ovate; 5–6.5 mm long; 1 length of upper glume; herbaceous; 1-keeled; 3 -veined. Lower glume apex acuminate; awned; 1 -awned. Lower glume awn 0.5 mm long. Upper glume oblong, or ovate; 5–6.5 mm long; 0.75 length of adjacent fertile lemma; herbaceous; 1-keeled; 3 -veined. Upper glume apex dentate; 2 -fid; awned; 1 -awned. Upper glume awn 0.5 mm long.
FLORETS Basal sterile florets male; with palea; persisting on inflorescence. Lemma of lower sterile floret similar to fertile lemma; lanceolate, or ovate; 6 mm long; herbaceous; 5 -veined; dentate; 2 -fid; awned. Awn of lower sterile floret straight; 1 mm long. Fertile lemma elliptic; 6–7 mm long; chartaceous; without keel; 5 -veined. Lemma lateral veins absent or obscure below. Lemma surface with marginal hair tufts; bearing 2 hair tufts in all. Lemma apex lobed; 2 -fid; awned; 3 -awned. Principal lemma awn from a sinus; geniculate; 7–9 mm long overall; with twisted column. Lateral lemma awns arising on apex of lobes; shorter than principal. Apical sterile florets resembling fertile though underdeveloped.
FLOWER Lodicules 2; glabrous. Anthers 3; 3 mm long.
FRUIT Disseminule comprising a floret.
DISTRIBUTION Africa: southern tropical.
NOTES Arundineae. Kabuye.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.
