Poa paposana

HABIT Perennial; caespitose. Culms erect; 30 cm long. Leaf-sheaths antrorsely scabrous. Ligule an eciliate membrane. Leaf-blades 2–5 mm wide.

INFLORESCENCE Dioecious. Inflorescence a panicle. Peduncle antrorsely scabrous above; glabrous.

Panicle contracted; oblong; 5–8 cm long. Primary panicle branches bearing spikelets almost to the base.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 4–5 fertile florets; with diminished florets at the apex. Spikelets orbicular; laterally compressed; 5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes eventually visible between lemmas; glabrous.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; membranous; 1-keeled. Lower glume primary vein scabrous. Lower glume apex acute. Upper glume lanceolate; membranous; 1-keeled. Upper glume primary vein scabrous. Upper glume apex acute.

FLORETS Fertile florets female. Fertile lemma ovate; 3 mm long; membranous; keeled; 5 -veined. Lemma lateral veins obscure. Lemma apex obtuse.

DISTRIBUTION South America: southern South America.

NOTES Poeae. Philippi 2005.

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