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FOC | Family List | FOC Vol. 22 | Poaceae | Acidosasa

6. Acidosasa lingchuanensis (C. D. Chu & C. S. Chao) Q. Z. Xie & X. Y. Chen, Bull. Bot. Res., Harbin. 13: 74. 1993.

灵川酸竹 ling chuan suan zhu

Indosasa lingchuanensis C. D. Chu & C. S. Chao, Acta Phytotax. Sin. 21: 69. 1983.

Culms ca. 4 m, to 3 cm in diam., internodes initially green, 30–40 cm, sparsely hispid, slightly coarse, hollow; wall unevenly thickened; nodes weakly prominent; sheath scars prominent. Branches 3 per node. Culm sheaths light yellow-green, proximally sparsely brown setose and slightly powdery, margin ciliate; auricles open; oral setae deciduous, radiate, 1–1.5 cm; ligule truncate or slightly arched, subglabrous or shortly fimbriate, proximally sparsely pubescent; blade reflexed, green, broadly linear-lanceolate. Leaves 3–5 per ultimate branch; sheath margin ciliate; auricles small; oral setae erect; blade linear to lanceolate, 6.5–14 × 1–2.3 cm, glabrous, secondary veins 5-paired. Spikelets solitary, forming simple raceme, pale to green, ca. 11 cm, slender; florets 8–12 pairs. Rachilla 4–5 mm; lemma ca. 1 × 0.5 cm, 9–11-veined, abaxially powdery, glabrous; palea slightly shorter than lemma, apex obtuse; keel ciliate; lodicules 3, abaxially light brown, adaxially transparent, base contracted, clawed. Stamens 6; filaments filiform; anthers ca. 5 mm. Ovary ellipsoid; stigma slender. Fruit unknown.

* Guangxi (Lingchuan).

The culms are used for papermaking and weaving.


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