Fargesia hainanensis

HABIT Perennial. Culms 500 cm long; 20 mm diam.; woody. Culm-internodes terete; antrorsely scabrous. Lateral branches dendroid. Branch complement several. Leaf-sheaths 1.2–3 cm long. Leaf-sheath oral hairs ciliate; deciduous; 3 mm long. Ligule an eciliate membrane. Leaf-blade base without a false petiole, or with a brief petiole-like connection to sheath. Leaf-blades oblong; 3.5–12 cm long; 5–10 mm wide. Leaf-blade venation with distinct cross veins. Leaf-blade surface glabrous. Leaf-blade apex acuminate.

INFLORESCENCE Synflorescence compound; with principal spatheoles embracing a compact fascicle of racemes, each subtended by a subsidiary bract. Inflorescence composed of racemes; subtended by a spatheole; embraced at base by subtending leaf.

Racemes 1; single; bearing 4–7 fertile spikelets on each.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels glabrous, or puberulous.

FERTILE SPIKELETS Spikelets comprising 3–4 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 25–30 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 10–14 mm long; chartaceous; without keels. Upper glume lanceolate; 18–26 mm long; chartaceous; without keels.

FLORETS Fertile lemma lanceolate; 8–16 mm long; chartaceous; without keel; 7–9 -veined. Palea 7–10 mm long. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 3. Anthers 3; 4–6 mm long. Stigmas 2.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. Yi 2002.

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