Festuca formosana

HABIT Perennial. Culms 40 cm long; 1 mm diam. Ligule an eciliate membrane; 2 mm long; scaberulous on abaxial surface; truncate. Leaf-blades 15 cm long; 6–15 mm wide. Leaf-blade apex acuminate.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels 1.5–6 mm long.

FERTILE SPIKELETS Spikelets comprising 1–2 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 8 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; dissimilar; shorter than spikelet. Lower glume lanceolate; 3 mm long; 0.8–0.9 length of upper glume; chartaceous; much thinner on margins; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume surface scabrous. Lower glume apex acute. Upper glume lanceolate; 3.5 mm long; 0.4 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume surface scabrous. Upper glume apex acute.

FLORETS Fertile lemma elliptic; 8 mm long; membranous; without keel; 5 -veined. Lemma apex acute. Palea 7 mm long; 0.9 length of lemma; 2 -veined. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 3 mm long. Ovary glabrous.

FRUIT Caryopsis with adherent pericarp; fusiform; 5 mm long; hairy at apex. Hilum linear.

DISTRIBUTION Asia-temperate: eastern Asia.

NOTES Poeae. Taiwan Gr 1997.

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