The identity of Dinochloa species and enumeration of Melocalamus (Poaceae: Bambusoideae) in China

doi:10.1016/j.pld.2022.07.001

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	The identity of Dinochloa species and enumeration of Melocalamus (Poaceae: Bambusoideae) in China
	Liu,Jing-Xia; Xu,Zu-Chang; Zhang,Yu-Xiao; Zhou,Meng-Yuan; Li,De-Zhu
	2023
发表期刊	PLANT DIVERSITY
ISSN	2468-2659
卷号	45 期号:2 页码:133-146
摘要	Three woody bamboo species collected in Hainan, China in 1940 have been described as Dinochloa based on vegetative specimens. However, the identity of these species has long been in doubt, largely because the vegetative phase in species of Dinochloa is morphologically similar to that in species of Melocalamus, a climbing or scrambling bamboo genus of the paleotropical woody bamboos (Poaceae: Bambusoideae) that consists of about 15 species and one variety. To determine the phylogenetic affinity of the three Dinochloa species from Hainan, we sampled almost all recognized Chinese species of Melocalamus and representative species of Dinochloa as well as other closely related genera, performed molecular phylogenetic analysis, and compared their morphology based on herbarium and fieldwork investigation. Our ddRAD data indicate that the three species from Hainan are closely related to Melocalamus, not Dinochloa. Morphological analysis showed that these three species have a climbing habit but do not grow spirally, their culm leaves have smooth bases, and there is a ring of powder and/or tomenta above and below the nodes. Taken together our findings indicate that the three species from Hainan originally published in Dinochloa should be transferred to Melocalamus, i.e., Melocalamus orenudus (McClure) D.Z. Li & J.X. Liu, Melocalamus puberulus (McClure) D.Z. Li & J.X. Liu, and Melocalamus utilis (McClure) D.Z. Li & J.X. Liu, respectively. This study concludes with an enumeration of Chinese species of Melocalamus, with a key to nine recognized species and one variety, and a lectotypification for M. compatiflorus. Copyright (c) 2022 Kunming Institute of Botany, Chinese Academy of Sciences. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co. Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
关键词	ddRAD Melocalamus orenudus Melocalamus puberulus Melocalamus utilis New combinations Lectotypification GRAMINEAE NUCLEAR STACKS GENE
学科领域	Plant Sciences
DOI	10.1016/j.pld.2022.07.001
WOS记录号	WOS:000973273800001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/74853
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Liu,Jing-Xia,Xu,Zu-Chang,Zhang,Yu-Xiao,et al. The identity of Dinochloa species and enumeration of Melocalamus (Poaceae: Bambusoideae) in China[J]. PLANT DIVERSITY,2023,45(2):133-146.
APA	Liu,Jing-Xia,Xu,Zu-Chang,Zhang,Yu-Xiao,Zhou,Meng-Yuan,&Li,De-Zhu.(2023).The identity of Dinochloa species and enumeration of Melocalamus (Poaceae: Bambusoideae) in China.PLANT DIVERSITY,45(2),133-146.
MLA	Liu,Jing-Xia,et al."The identity of Dinochloa species and enumeration of Melocalamus (Poaceae: Bambusoideae) in China".PLANT DIVERSITY 45.2(2023):133-146.

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