Phyllostachys shuchengensis

HABIT Perennial. Rhizomes elongated; leptomorph. Culms erect; 1000 cm long; 35 mm diam.; woody. Culm-internodes semiterete; hollow; 35 cm long; distally pruinose. Culm-nodes pubescent. Lateral branches dendroid. Culm-sheaths chartaceous; green; pubescent; hairy at the base; without auricles; glabrous on shoulders. Culm-sheath ligule 2 mm high; purple; ciliolate. Culm-sheath blade linear; spreading, or reflexed. Leaves cauline; 1–2 per branch. Leaf-sheath oral hairs setose; erect, or spreading. Leaf-sheath auricles absent. Ligule a ciliolate membrane; purple. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades linear, or lanceolate, or oblong; 6–17 cm long; 12–22 mm wide. Leaf-blade surface scabrous (on midrib); rough abaxially.

INFLORESCENCE Synflorescence bractiferous; fasciculate; with spathaceous subtending bracts; without axillary buds at base of spikelet; with ultimate bract subtending a compact bracteolate fascicle of spikelets (1–4 spikelets); prophyllate below lateral spikelets.

Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 1–4 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes glabrous, or pubescent.

GLUMES Glumes one the lower absent or obscure; persistent; shorter than spikelet. Upper glume oblong; chartaceous; without keels. Upper glume apex acute.

FLORETS Fertile lemma lanceolate; chartaceous. Lemma apex acuminate. Palea chartaceous. Palea surface puberulous.

FLOWER Lodicules 3; elliptic; 4 mm long. Anthers 3; 8–10 mm long. Stigmas 3.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. Fl China 2006.

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