Poa dissanthelioides

HABIT Perennial; caespitose. Culms erect; 3–5 cm long; 1 -noded. Lateral branches lacking. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 1–2 mm long; truncate. Leaf-blades 1.5–2 cm long; 1 mm wide; coriaceous. Leaf-blade apex abruptly acute, or acute.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted; oblong; 1.5–2 cm long; 0.8–1 cm wide. Primary panicle branches appressed. Panicle branches smooth.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 3–4 fertile florets; with a barren rhachilla extension. Spikelets ovate; laterally compressed; 4–5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus glabrous.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 2–2.5 mm long; 0.75 length of upper glume; membranous; much thinner on margins; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 2.5–3 mm long; 0.75 length of adjacent fertile lemma; membranous; with hyaline margins; 1-keeled; 3 -veined. Upper glume apex acute.

FLORETS Fertile lemma oblong; ovate in profile; 3.5–4 mm long; membranous; keeled; 5 -veined. Lemma surface pubescent; hairy on back. Lemma apex acute. Palea keels woolly; adorned above.

FLOWER Lodicules 2; membranous. Anthers 3.

FRUIT Caryopsis with adherent pericarp. Hilum punctiform.

DISTRIBUTION South America: western South America.

NOTES Poeae. Gr Peru 1995.

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