Paspalum filifolium

HABIT Perennial; caespitose; clumped densely. Culms erect; 15–50 cm long. Culm-nodes black. Lateral branches lacking. Ligule an eciliate membrane. Leaf-blades filiform; convolute; 23–30 cm long; 1–2 mm wide; glaucous.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 2(–3); paired; unilateral; 5–8 cm long. Central inflorescence axis 0 cm long. Rhachis angular; 0.75 mm wide. Spikelet packing abaxial; 2 -rowed.

Spikelets solitary. 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; acute; 4 mm long; 2 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; without keels; 3 -veined. Upper glume apex acute.

FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret elliptic; 1 length of spikelet; membranous; 3 -veined; acute. Fertile lemma elliptic; 2.75 mm long; indurate; yellow; without keel. Lemma surface scaberulous. Lemma margins involute. Palea involute; indurate.

FLOWER Anthers 3.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION South America: Brazil.

NOTES Paniceae. Fl Cat 1995.

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