Phyllostachys incarnata

HABIT Perennial. Rhizomes elongated; leptomorph. Culms erect; 400–500 cm long; 30 mm diam.; woody. Culm-internodes semiterete; hollow; 18 cm long; distally glabrous. Lateral branches dendroid. Culm-sheaths coriaceous; glabrous; auriculate; setose on shoulders. Culm-sheath ligule 2 mm high; ciliolate. Culm-sheath blade triangular; reflexed. Leaves cauline; 4–5 per branch. Leaf-sheaths glabrous on surface; outer margin hairy. Leaf-sheath oral hairs setose. Leaf-sheath auricles absent, or falcate. Ligule a ciliolate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 7–10 cm long; 10–14 mm wide. Leaf-blade surface puberulous; hairy abaxially. Leaf-blade apex acuminate.

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; prophyllate below lateral spikelets.

Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 2–3 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 25–30 mm long; breaking up at maturity; disarticulating below each fertile floret.

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

FLORETS Fertile lemma ovate; 22 mm long; chartaceous; without keel. Lemma surface pubescent. Lemma apex acuminate. Palea 18 mm long; chartaceous. Palea apex dentate; 2 -fid.

FLOWER Lodicules 3. Anthers 3. Stigmas 3. Ovary glabrous.

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.