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 aberrans

HABIT Perennial. Stolons present. Culms decumbent; 20–40 cm long; rooting from lower nodes. Culm-internodes elliptical in section. Culm-nodes pubescent. Leaf-sheaths pilose. Ligule a fringe of hairs. Leaf-blades 3–15 cm long; 3–6 mm wide. Leaf-blade surface pilose.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 6–15; borne along a central axis; spreading; unilateral; 2–7 cm long. Central inflorescence axis 2–10 cm long. Rhachis angular; 1.5 mm wide. Spikelet packing abaxial.

Spikelets appressed; solitary. Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute, or acuminate; 5 mm long; falling entire.

GLUMES Glumes both absent or obscure.

FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret ovate; 1 length of spikelet; membranous; 5 -veined; glabrous; obtuse. Fertile lemma ovate; 5 mm long; cartilaginous; without keel. Lemma margins flat. Lemma apex acute, or acuminate. Palea separating from lemma above; lanceolate; 2 -veined; without keels.

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

NOTES Paniceae. WDC.

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