Sacciolepis myuros

HABIT Perennial; caespitose. Culms erect; 20–50 cm long; compressible; without nodal roots, or rooting from lower nodes. Culm-nodes glabrous. Ligule an eciliate membrane; 1–2.5 mm long. Leaf-blades 15–25 cm long; 2–5 mm wide. Leaf-blade surface pubescent; sparsely hairy; hairy adaxially.

INFLORESCENCE Inflorescence a panicle. Peduncle 9–18 cm long.

Panicle spiciform; linear, or oblong; 4–18 cm long; 0.5–0.8 cm wide. Primary panicle branches accrescent to a central axis; with lateral stumps on axis. Panicle axis with rounded ribs.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; gibbous; 2–2.2 mm long; falling entire.

GLUMES Glumes exceeding apex of florets; thinner than fertile lemma. Lower glume ovate; 0.9–1.2 mm long; 0.5 length of spikelet; hyaline; without keels; 3 -veined. Lower glume apex obtuse. Upper glume ovate; gibbous; 2–2.2 length of adjacent fertile lemma; 1 length of spikelet; membranous; without keels; 7 -veined. Upper glume lateral veins ribbed. Upper glume margins ciliate (above). Upper glume apex acute.

FLORETS Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; gibbous; 1 length of spikelet; membranous; 7 -veined; ribbed; ciliate on margins; fringed above; acute. Palea of lower sterile floret 0.5 length of lemma. Fertile lemma ovate; dorsally compressed; 1–1.2 mm long; chartaceous; shiny; without keel. Lemma margins involute. Lemma apex acute. Palea involute; chartaceous.

FLOWER Anthers 3; 0.5–0.7 mm long; purple.

DISTRIBUTION Asia-tropical: Indo-China. North America: Mexico. South America: Mesoamericana, Caribbean, northern South America, western South America, Brazil, and southern South America.

NOTES Paniceae. Fl Costaric 1993.

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