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 ekmanianum

HABIT Perennial; caespitose. Rhizomes short. Culms 30–60 cm long. Ligule a fringe of hairs. Leaf-blades 5–15 cm long; 1.5–5 mm wide.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 1; single; unilateral; 3–15 cm long. Rhachis wingless; angular; glabrous on surface. Spikelet packing abaxial; regular; 2 -rowed.

Spikelets solitary. Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; plano-convex; obtuse; 1.5–2 mm long; with hairs extending 2 mm beyond apex; falling entire.

GLUMES Glumes one the lower absent or obscure; reaching apex of florets; thinner than fertile lemma. Upper glume oblong; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface setose; with tubercle-based hairs. Upper glume margins tuberculate; setose. Upper glume apex obtuse.

FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret oblong; 1 length of spikelet; membranous; 5 -veined; setose; with tubercle-based hairs; tuberculate on margins; setose on margins; obtuse. Fertile lemma ovate; gibbous; 1.5–2 mm long; coriaceous; without keel; 5 -veined. Lemma margins involute. Lemma apex acute. Palea involute; coriaceous.

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

NOTES Paniceae. WDC.

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