Poa szechuensis

HABIT Perennial; caespitose. Culms erect; 10 cm long. Culm-internodes elliptical in section. Lateral branches lacking. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 0.5–1 mm long; obtuse. Leaf-blades 1.5 mm wide; flaccid. Leaf-blade apex attenuate.

INFLORESCENCE Inflorescence a panicle; embraced at base by subtending leaf.

Panicle open; elliptic; 4 cm long. Primary panicle branches ascending; 1 -nate; 1 cm long; bearing 1–5 fertile spikelets on each lower branch. Panicle axis 5 noded. Panicle branches scaberulous.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels scaberulous.

FERTILE SPIKELETS Spikelets comprising 2–3 fertile florets; with a barren rhachilla extension. Spikelets oblong; laterally compressed; 2.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus glabrous.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 1 mm long; 0.66 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 1.7 mm long; 0.9 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume primary vein scaberulous. Upper glume apex acute.

FLORETS Fertile lemma ovate; 2 mm long; membranous; keeled; 5 -veined. Lemma midvein scaberulous. Lemma apex obtuse. Palea keels scaberulous; adorned above.

FLOWER Lodicules 2; membranous. Anthers 3; 0.5 mm long.

FRUIT Caryopsis with adherent pericarp. Hilum punctiform.

DISTRIBUTION Asia-temperate: China. Asia-tropical: India.

NOTES Poeae. Rendle 1995.

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