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

5. Indocalamus guangdongensis H. R. Zhao & Y. L. Yang, Acta Phytotax. Sin. 23: 462. 1985.

广东箬竹 guang dong ruo zhu

Culms 1.5–3.5 m, 0.9–1.5 cm in diam.; internodes initially yellow or purple, white tomentose, hairs denser and forming a brown ring below nodes; wall ca. 0.4 mm thick; nodes weakly elevated. Culm sheaths purple-green, shorter than internode, leathery, white tomentose and dark brown hairy, base corky; auricles ca. 5 mm, brown; oral setae radiate, flexuose, about as long as auricle; ligule truncate to arcuate, 0.5–2 mm, densely puberulent, margin sparsely or not ciliate; blade broad, amplexicaul, base truncately rounded to cordate, about as wide as apex of culm, apex acuminate. Leaves 2–7 per ultimate branch; sheath striate, white tomentose; auricles and oral setae absent; ligule 1–2.5 mm, pubescent, long ciliate; blade broadly lanceolate, 35–56 × 4–10.5 cm, abaxially minutely appressed white pubescent, adaxially glabrous, secondary veins 8–15 pairs, tessellations rectangular or square, base cuneate, apex acuminate. Inflorescence unknown. New shoots Apr–May.

* Forests, mountain slopes, valleys; ca. 900 m. Guangdong, Guangxi, Guizhou, Hubei, Hunan; cultivated in Zhejiang.

1 Leaf blade tessellations abaxially visible, rectangular; midrib not waxy pubescent.   5a var. guangdongensis
+ Leaf blade tessellations abaxially visible, square; midrib waxy pubescent along one side.   5b var. mollis


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