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 procurrens

HABIT Perennial. Stolons present. Culms 45–85 cm long; 2–3 mm diam.; 2–3 -noded; rooting from lower nodes. Leaf-sheaths pilose; with tubercle-based hairs; hairs white. Ligule an eciliate membrane; 1 mm long. Leaf-blade base broadly rounded. Leaf-blades 5–20 cm long; 0.5–2 mm wide. Leaf-blade surface pilose; sparsely hairy; hairy abaxially. Leaf-blade margins tuberculate-ciliate. Leaf-blade apex acuminate.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 13–21; borne along a central axis; unilateral; 0.5–7 cm long. Central inflorescence axis 7–18 cm long. Rhachis angular.

Spikelets in pairs. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; concavo-convex; 2–2.2 mm long; 1 mm wide; 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; 3 -veined; obtuse. Fertile lemma elliptic; 2–2.2 mm long; indurate; without keel; 7 -veined. Lemma lateral veins distinct. Lemma margins involute. Palea involute; indurate.

FLOWER Anthers 3.

FRUIT Caryopsis with adherent pericarp; ellipsoid; 1.3–1.6 mm long. Embryo 0.5 length of caryopsis.

DISTRIBUTION South America: western South America and southern South America.

NOTES Paniceae. Quarin 1997.

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