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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 intermedium
HABIT Perennial; caespitose. Basal innovations flabellate. Culms robust; 120–180 cm long; 3–5 -noded. Culm-internodes elliptical in section. Leaf-sheaths keeled. Ligule an eciliate membrane. Leaf-blades conduplicate, or involute; 30–60 cm long; 8–15 mm wide; stiff. Leaf-blade surface scabrous.
INFLORESCENCE Inflorescence composed of racemes.
Racemes few, or numerous; 13–73; borne along a central axis; unilateral; 2–12 cm long. Central inflorescence axis 15–35 cm long; with scattered hairs. Rhachis angular; with scattered hairs. Spikelet packing 4 -rowed.
Spikelets in pairs. Fertile spikelets pedicelled. Pedicels oblong.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; plano-convex; 2.2–2.3 mm long; 1.1–1.8 mm wide; 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; membranous; red; without keels; 5 -veined. Upper glume apex acute.
FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret elliptic; 1 length of spikelet; membranous; red; 5 -veined; with unevenly spaced veins (near margins); acute. Fertile lemma elliptic; 2–2.7 mm long; 1–1.4 mm wide; indurate; pallid; shiny; without keel. Lemma margins involute. Palea involute; indurate.
FLOWER Anthers 3.
FRUIT Caryopsis with adherent pericarp; oblong; 1.8 mm long.
DISTRIBUTION North America: southeast USA. South America: northern South America, western South America, Brazil, and southern South America.
NOTES Paniceae. Fl Entre Rios 1995.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.