Panicum granuliferum

HABIT Annual. Culms rambling; weak; 30–60 cm long. Ligule a ciliate membrane. Leaf-blades lanceolate; 1–4 cm long; 2–4 mm wide. Leaf-blade apex abruptly acute.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate; effuse; 3–6 cm long. Panicle branches capillary.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; gibbous; 1–1.2 mm long; falling entire.

GLUMES Glumes shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 0.33–0.5 length of spikelet; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse, or acute. Upper glume ovate; 0.66–0.9 length of spikelet; membranous; without keels; 3 -veined. Upper glume apex obtuse.

FLORETS Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; obtuse. Fertile lemma elliptic; dorsally compressed; 1–1.2 mm long; cartilaginous; without keel. Lemma margins involute. Palea involute; cartilaginous.

FRUIT Caryopsis with adherent pericarp.

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

NOTES Paniceae. WDC 1995.

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