Exploring the Species Limits in Balanophora Subgenus Balania

IF 0.9 3区生物学 Q4 EVOLUTIONARY BIOLOGY

Systematic Botany Pub Date : 2022-09-16 DOI:10.1600/036364422X16573022073581

Runxian Yu, Song-Yan Zhou, Xiao-Li Chen, Dongming Fang, Xu-Yang Yue, Kai-Nan Ma, Ren-chao Zhou, Ying-Di Liu

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引用次数: 0

Abstract

Abstract Balanophora subgen. Balania (Balanophoraceae), whose members differ from those of the other subgenus in having three-merous male flowers, includes B. flava, B. involucrata, B. tobiracola, the B. harlandii assemblage, and the agamospermic species B. japonica. Species limits of B. flava, B. involucrata, and the B. harlandii as currently circumscribed (B. harlandii assemblage) have long been controversial. Here, species limits in subgen. Balania are explored based on morphological characters and phylogenetic analysis using nuclear 18S and ITS ribosomal DNA sequences. Subgen. Balania was monophyletic if B. japonica is excluded. Balanophora harlandii assamblage was polyphyletic and three lineages, B. harlandii, B. kawakamii, and B. henryi, were recovered in the assemblage. Molecular and morphological divergence, distribution, and phenology provided strong support for the recognition of these lineages as distinct species, namely B. harlandii, B. kawakamii, and B. henryi. The findings also suggested that B. flava should be reduced to synonym under B. involucrata, thus supporting Hansen's treatment of both dioecious and monoecious populations as members of a single species.

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标题Balanophora Balania亚属的种界探讨

摘要Balanophora亚群。Balania (balanoporaceae)，其成员与其他亚属的成员不同，具有三瓣雄花，包括B. flava, B. involucrata, B. tobiracola, B. harlandii组合和无精子物种B. japonica。黄芽孢杆菌(B. flava)、珙桐芽孢杆菌(B. involucrata)和蓝芽孢杆菌(B. harlandii)目前的物种界限一直存在争议。在这里，物种限制在亚属。利用核18S和ITS核糖体DNA序列，对其形态特征和系统发育进行了研究。Subgen。如果排除日本芽孢杆菌，Balania是单系的。在该组合中发现了haranophora harlandii、B. kawakamii和B. henryi三个谱系。B. harlandii、B. kawakamii和B. henryi这三个世系的分子和形态差异、分布和物候特征为其作为不同种的认识提供了强有力的支持。该研究结果还表明，黄芽孢杆菌应归为同义植物，从而支持Hansen将雌雄异株和雌雄同株群体作为一个单一物种的处理方法。

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来源期刊

Systematic Botany 生物-进化生物学

CiteScore

1.80

自引率

10.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Systematic Botany Monographs is a series of peer-reviewed taxonomic monographs and revisions published the American Society of Plant Taxonomists. ISSN 0737-8211, ISBN prefix 978-0-912861. No; volumes of Systematic Botany Monographs must be ordered separately. ASPT membership inludes only a subscription to the quarterly journal Systematic Botany. SBM is supported by sales, author"s subsidies, and donations.