Paspalum repandum

HABIT Perennial; caespitose. Butt sheaths persistent and investing base of culm; with fibrous dead sheaths. Culms 50–70 cm long. Ligule an eciliate membrane. Leaf-blades 5–25 cm long; 3–5 mm wide. Leaf-blade surface pubescent; densely hairy; hairy on both sides.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 1–2; single, or borne along a central axis; oblong; unilateral; 1.5–4 cm long. Central inflorescence axis 0–2 cm long. Rhachis broadly winged; with rounded midrib; 1.5–2 mm wide; pubescent on surface. Spikelet packing crowded; regular; 4 -rowed.

Spikelets in pairs. Fertile spikelets sessile and pedicelled; 2 in the cluster. Pedicels oblong.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; compressed slightly; obtuse; 5 mm long; falling entire.

GLUMES Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume oblong; 0.7–0.8 length of spikelet; membranous; without keels; 9 -veined. Lower glume lateral veins ribbed. Lower glume apex obtuse. Upper glume oblong; coriaceous; without keels; 9–11 -veined. Upper glume lateral veins ribbed. Upper glume apex obtuse (hooded).

FLORETS Basal sterile florets male; with palea. Lemma of lower sterile floret oblong; coriaceous; 7–9 -veined; sulcate; acute. Palea of lower sterile floret becoming indurate on keels at maturity. Fertile lemma ovate; 4.5 mm long; indurate; without keel; 5 -veined. Lemma margins involute. Lemma apex obtuse. Palea indurate.

DISTRIBUTION South America: Brazil.

NOTES Paniceae. WDC.

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