福建九峰山大戟科一个显著新种——大戟科大戟亚属Helioscopea

IF 0.9 3区生物学 Q4 EVOLUTIONARY BIOLOGY

Systematic Botany Pub Date : 2022-03-21 DOI:10.1600/036364422X16442668893265

Qun Yu, Guo-Xing Chen, Yi Yang, Qing‐Feng Wang, Neng Wei

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引用次数: 0

摘要

摘要本文对中国东部大戟科植物香秀大戟(Euphorbia xiangxiui)新种进行了形态学和分子生物学研究。其高度可达1.6 m，叶片大小为5-18 × 0.6-3 cm，初生总苞叶和cyathophyl的颜色由粉红色变为玫瑰色，结果后逐渐变绿，有4 - 6个肾形圆形凹腺体。基于核糖体ITS和质体ndhF序列的分子系统发育分析进一步支持香穗属大戟属东亚支系。树胶节。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Remarkable New Species of Euphorbia Section Helioscopia (Euphorbia Subgenus Esula, Euphorbiaceae) from Jiufeng Mountains in Fujian Province, Eastern China

Abstract Euphorbia xiangxiui, a new species of Euphorbiaceae from Eastern China, supported by morphological and molecular evidence, is illustrated and described here. It can be distinguished from its closest relatives by the combination of several characters, including taller stature (up to 1.6 m), leaves of 5–18 × 0.6–3 cm in size, color of primary involucral leaves and cyathophylls changing from pink to rose, fading to green after fruiting, and four to six reniform-rounded concave glands. The molecular phylogenetic analysis, based on combined nuclear ribosomal ITS and plastid ndhF sequences, further supports that E. xiangxiui should be placed in the East Asian Clade of Euphorbia subg. Esula sect. Helioscopia.

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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.