中国贵州北部的新种 Sinoseneciotongziensis（菊科）。

IF 1.3 3区生物学 Q3 PLANT SCIENCES

PhytoKeys Pub Date : 2025-02-20 eCollection Date: 2025-01-01 DOI:10.3897/phytokeys.252.141719

Ren-Bo Zhang, Tan Deng, Ying Liu, Da-Jun Xie, Ruo-Xun Wei, Lin He, Quan-Li Dou, Zheng-Min Qian

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引用次数: 0

摘要

本文记述了贵州北部桐梓县一新种sinseneciotongziensis R.B.Zhang、Tan Deng和Ying Liu （Asteraceae）。它在近穗状花序的习性，卵形长圆形和羽状脉的叶面，和简单到复合的顶生伞房花序，但在叶面的质地（膜状对纸状），侧脉的数量（8-10对10-18）和茎，叶和花序上的毛被（短柔毛长2-5毫米，单列，平展毛对稀疏的白色蜘蛛状到密被白色绒毛）上有明显的不同。系统发育分析表明，铜子树与S.bodinieri、s.c nanchuanicus、s.c convifer和s.g globigervar.adenophyllus亲缘关系较近。

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Sinoseneciotongziensis (Asteraceae), a new species from north Guizhou, China.

Sinoseneciotongziensis R.B.Zhang, Tan Deng & Ying Liu (Asteraceae), a new species from Tongzi County in northern Guizhou, China, is described and illustrated. It closely resembles S.changii in the subscapigerous habit, ovate-oblong and pinnately veined leaf lamina, and simple to compound terminal corymbs, yet differs markedly by the texture of leaf lamina (membranous vs. papery), the number of lateral veins (8-10 vs. 10-18), and the indumentum on the stems, leaves, and inflorescences (pubescent with 2-5 mm long, uniseriate, spreading hairs vs. sparsely white arachnoid to densely white tomentose). Phylogenetic analysis indicates that S.tongziensis is related to S.bodinieri, S.nanchuanicus, S.confervifer, and S.globigervar.adenophyllus.

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来源期刊

PhytoKeys PLANT SCIENCES-

CiteScore

2.60

自引率

14.30%

发文量

189

审稿时长

6 weeks

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