Two new species of Gigantochloa (Poaceae: Bambusoideae) from Yunnan, China Author Qin, Qiao-Mei 0000-0002-0567-8123 qmqin @ foxmail. com; https: // orcid. org / 0000 - 0002 - 0567 - 8123 qmqin@foxmail.com Author Tong, Yi-Hua 0000-0002-5034-005X Key Laboratory of Plant Resources Conservation and Sustainable Utilization & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China & Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China & yh-tong @ scbg. ac. cn; https: // orcid. org / 0000 - 0002 - 5034 - 005 X yh-tong@scbg.ac.cn Author Zeng, Yi 0000-0003-2431-0292 No. 2 Middle school of Zhuzhou, Zhuzhou 412007, Hunan, China & 349848599 @ qq. com; https: // orcid. org / 0000 - 0003 - 2431 - 0292 349848599@qq.com Author Cai, Zhuo-Yu 0000-0001-9288-0882 Key Laboratory of Plant Resources Conservation and Sustainable Utilization & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China & Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China & University of Chinese Academy of Sciences, Beijing 100049, China & caizhuoyu @ scbg. ac. cn; https: // orcid. org / 0000 - 0001 - 9288 - 0882 caizhuoyu@scbg.ac.cn Author Ni, Jing-Bo 0000-0002-1695-6141 Key Laboratory of Plant Resources Conservation and Sustainable Utilization & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China & No. 2 Middle school of Zhuzhou, Zhuzhou 412007, Hunan, China & zzxx 8424 b @ 126. com; https: // orcid. org / 0000 - 0002 - 1695 - 6141 Author Xia, Nian-He 0000-0001-9852-7393 Key Laboratory of Plant Resources Conservation and Sustainable Utilization & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China & No. 2 Middle school of Zhuzhou, Zhuzhou 412007, Hunan, China & nhxia @ scbg. ac. cn; https: // orcid. org / 0000 - 0001 - 9852 - 7393 nhxia@scbg.ac.cn text Phytotaxa 2023 2023-09-21 616 1 79 88 http://dx.doi.org/10.11646/phytotaxa.616.1.6 journal article 270717 10.11646/phytotaxa.616.1.6 f2f7ec50-997e-4f07-b201-6ecd7bc43610 1179-3163 8389459

TABLE 1. Morphological comparison of G. levis, G. brachystachya, G. maneensis and G. callosa.

Character	G. levis	G. brachystachya	G. maneensis	G. callosa
Intranode indumentum	Glabrous	With a ring of white hairs	With a ring of white hairs	Glabrous
Color of hairy ring on infranodal region	Brown	White	White	Brown
Culm leaf sheath	Without stripes, densely black-hispid	Without stripes, densely black-hispid	Without stripes, densely black-hispid	With yellow stripes, densely brown- and grayhispid
Culm leaf blade	Reflexed	Erect	Erect	Reflexed
Culm leaf auricle	Oblong, ca. 20 mm wide, 7 mm tall	Linear, ca. 10 mm wide, less than 1 mm tall	Oblong, 6–7 mm wide, ca. 3 mm high	Rhombic, ca. 10 mm wide, 2–3 mm high
Culm leaf ligule	Dentate, 3–6 mm tall, with oral setae	Dentate, 5–10 mm tall	Dentate, 2–3 mm high	Entire, 2–3 mm high
Foliage leaf sheath	White hispid	Glabrous	Sparsely brown-hispid	White-pubescent
Height of ligule	Ca. 1 mm	3–5 mm	1–2 mm	2–3 mm
Height of outer ligules	less than 0.5 mm	2–2.5 mm	Ca. 2 mm	2–3 mm