井冈短枝竹 jing gang duan zhi zhu

Gelidocalamus monophyllus (T. P. Yi & B. M. Yang) B. M. Yang; Yushania monophylla T. P. Yi & B. M. Yang.

Culms to 2 m, to 0.8 cm in diam.; internodes initially green, 25–30 cm, glaucous below nodes, glabrous; nodes prominent, sheath ring with persistent remains of sheath base. Culm sheaths retrorsely setose, margins ciliate; auricles weak or absent, oral setae radiate; ligule prominent, 2–3 mm, glabrous; blade conical, striate, margins ciliate. Leaves 1(or 2) per ultimate branch; blade abaxially light green, adaxially green, lanceolate, 12–17 × 1.2–2.2 cm, abaxially pubescent near midrib, adaxially glabrous, secondary veins 4- or 5-paired, one margin serrulate, other margin entire. Inflorescence paniculate, 12–19 × 7–9 cm. Spikelets 5–7 mm; florets 3–5. Glumes 2; lemma ca. 3 mm, 5-veined; palea longer than lemma, not veined; lodicules 3, ovate, not veined. Stamens 3; filaments short; anthers yellow. Ovary 3-angled or ovoid, glabrous; stigmas 2, usually united, compressed, slender. New shoots Oct–Nov.

* Hardwood forests, near streams. Hunan, Jiangxi.

The shoots are edible, and the plants are cultivated for ornament.