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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.
Paspalum flavum
HABIT Annual. Culms 20–60 cm long. Lateral branches ample; arising from lower culm. Ligule an eciliate membrane. Leaf-blades lanceolate; 5–10 cm long; 5–10 mm wide. Leaf-blade surface glabrous.
INFLORESCENCE Inflorescence composed of racemes.
Racemes numerous; borne along a central axis; arcuate; unilateral; 0.8–1.8 cm long. Central inflorescence axis 5–18 cm long. Rhachis 0.5–1 mm wide. Spikelet packing abaxial.
Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; plano-convex; 2–2.3 mm long; falling entire.
GLUMES Glumes one the lower absent or obscure; reaching apex of florets; thinner than fertile lemma. Upper glume elliptic; 1 length of spikelet; wider than lemma (and loose); membranous; without keels. Upper glume apex acute.
FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret elliptic; 1 length of spikelet; membranous; acute. Fertile lemma oblong; 1.5–1.8 mm long; indurate; without keel. Lemma margins involute. Palea involute; indurate.
FLOWER Anthers 3.
FRUIT Caryopsis with adherent pericarp.
DISTRIBUTION South America: western South America and southern South America.
NOTES Paniceae. Gr Peru 1995.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.