Yushania andropogonoides

HABIT Perennial; caespitose. Rhizomes elongated; leptomorph. Culms erect; 40–115 cm long; woody. Culm-internodes terete. Lateral branches suffrutescent. Culm-sheaths 8–10 cm long. Leaves cauline. Leaf-sheaths 4–10 cm long. Leaf-sheath oral hairs scanty. Ligule a ciliolate membrane; 1.5–2.5 mm long; truncate. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 6–12 cm long; 4–7 mm wide. Leaf-blade venation with distinct cross veins. Leaf-blade margins scaberulous. Leaf-blade apex attenuate.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted; oblong; 8–25 cm long. Primary panicle branches appressed; 1–2 -nate.

Spikelets solitary. Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 5–6 fertile florets; with diminished florets at the apex. Spikelets linear; subterete; 35 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 5 mm long.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 6–7 mm long; chartaceous; without keels; 7–9 -veined. Lower glume surface pilose; hairy at apex. Lower glume apex acuminate. Upper glume lanceolate; 6–7 mm long; chartaceous; without keels; 7–9 -veined. Upper glume surface pilose; hairy at apex. Upper glume apex acuminate.

FLORETS Fertile lemma lanceolate; 10–11 mm long; chartaceous; without keel; 9 -veined. Lemma surface asperulous. Lemma apex acute. Palea apex ciliate. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 3; ciliate. Anthers 3. Stigmas 2.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. Hand.-Mazz. 2002.

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