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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.
Brachiaria munae
HABIT Annual. Culms prostrate; 20–40 cm long; rooting from lower nodes. Culm-internodes 3–5 cm long; distally hirsute. Culm-nodes pubescent. Lateral branches ample. Leaf-sheaths 2–4 cm long; striately veined; pubescent. Ligule a fringe of hairs; 1–1.5 mm long. Leaf-blade base broadly rounded, or cordate. Leaf-blades lanceolate, or ovate; 3–5.5 cm long; 7–13 mm wide. Leaf-blade surface pubescent. Leaf-blade margins crenate. Leaf-blade apex acute.
INFLORESCENCE Inflorescence composed of racemes. Peduncle pubescent above.
Racemes 3–7; borne along a central axis; unilateral; 1–2 cm long; bearing 2–10 fertile spikelets on each; simple. Central inflorescence axis pubescent. Rhachis wingless; angular; pubescent on surface. Spikelet packing adaxial. Raceme-bases pilose; hairy in axils.
Spikelets appressed; solitary, or in pairs. Fertile spikelets sessile and pedicelled. Pedicels linear; 1–1.5 mm long.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic, or oblong; dorsally compressed; compressed slightly; acute; 4.2–4.9 mm long; 1.8–2 mm wide; falling entire. Rhachilla internodes elongated between glumes.
GLUMES Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; clasping; 2.8–3.4 mm long; 0.7–0.8 length of spikelet; membranous; without keels; 11–13 -veined. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 11–13 -veined. Upper glume apex acute.
FLORETS Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 7 -veined. Palea of lower sterile floret 2.75–3 mm long. Fertile lemma elliptic; 2.75–3 mm long; indurate; shiny; without keel. Lemma surface striate. Lemma margins involute. Palea involute; indurate; without keels.
FLOWER Lodicules 2. Anthers 3; yellow. Stigmas purple.
FRUIT Caryopsis with adherent pericarp; ovoid; 2.7–3 mm long. Embryo 0.66 length of caryopsis. Hilum punctiform.
DISTRIBUTION Asia-tropical: India.
NOTES Paniceae. Basappa 2006.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.
