Phyllostachys fimbriligula

HABIT Perennial. Rhizomes elongated; leptomorph. Culms erect; 900 cm long; 50 mm diam.; woody. Culm-internodes semiterete; hollow; 20–25 cm long; distally glabrous. Culm-nodes swollen; glabrous. Lateral branches dendroid. Culm-sheaths deciduous; green and brown; distinctly mottled with last colour; pilose; convex at apex; without auricles; setose on shoulders; shoulders with 10 mm long hairs. Leaves cauline; 3–4 per branch. Leaf-sheaths 3.5 cm long; glabrous on surface. Leaf-sheath oral hairs setose; spreading; 13 mm long. Leaf-sheath auricles falcate. Ligule an eciliate membrane; 1 mm long. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 8–15 cm long; 10–18 mm wide. Leaf-blade venation with 8–10 secondary veins; with distinct cross veins. Leaf-blade surface pubescent; hairy abaxially. Leaf-blade apex acuminate.

INFLORESCENCE Synflorescence bractiferous; fasciculate; dense; with spathaceous subtending bracts; bracts 25–35 mm long; without axillary buds at base of spikelet; with ultimate bract subtending a compact bracteolate fascicle of spikelets; prophyllate below lateral spikelets.

Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 25–30 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes two; persistent; shorter than spikelet. Lower glume lanceolate; 10 mm long. Upper glume lanceolate; 20 mm long; chartaceous. Upper glume apex acute.

FLORETS Fertile lemma elliptic; 23 mm long; chartaceous; without keel. Lemma apex acuminate. Palea chartaceous.

FLOWER Lodicules 3. Anthers 3; 10 mm long. Stigmas 3.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. Wen 2002.

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