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 nudatum

HABIT Perennial; caespitose. Culms 80 cm long. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 5–6 mm long. Leaf-blades involute; 10–25 cm long; 1 mm wide. Leaf-blade surface puberulous; hairy adaxially.

INFLORESCENCE Inflorescence composed of racemes. Peduncle 2–6 cm long.

Racemes 2; paired; unilateral; 8–11 cm long. Central inflorescence axis 0 cm long. Rhachis 0.5 mm wide; smooth on margins. Spikelet packing abaxial; 2 -rowed.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.7–1 mm long.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; compressed slightly; plano-convex; 1.3–1.6 mm long; falling entire.

GLUMES Glumes both absent or obscure.

FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret elliptic; 1 length of spikelet; membranous; 5 -veined; acute. Fertile lemma elliptic; 1.3–1.6 mm long; indurate; pallid; without keel. Lemma surface papillose. Lemma margins involute. Palea involute; indurate.

FLOWER Anthers 3.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION South America: northern South America, western South America, and Brazil.

NOTES Paniceae. Fl Guiana 1995.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.