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Type: Article
Published: 2017-01-25
Page range: 180–188
Abstract views: 18
PDF downloaded: 1

Semiaquilegia guangxiensis (Ranunculaceae), a new species from the limestone areas of Guangxi, China, based on morphological and molecular evidence

Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and the Chinese Academy of Sciences, Guilin 541006, Guangxi, People’s Republic of China.
Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and the Chinese Academy of Sciences, Guilin 541006, Guangxi, People’s Republic of China. School of Life Sciences, Fudan University, Shanghai 200433, People’s Republic of China.
Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and the Chinese Academy of Sciences, Guilin 541006, Guangxi, People’s Republic of China.
Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and the Chinese Academy of Sciences, Guilin 541006, Guangxi, People’s Republic of China. Guangxi institute of Chinese Medicine & Pharmaceutical Science, Nanning 530022, Guangxi, People’s Republic of China.
Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and the Chinese Academy of Sciences, Guilin 541006, Guangxi, People’s Republic of China.
limestone flora medicinal plant molecular systematics new species Semiaquilegia Eudicots China

Abstract

A new species of Ranunculaceae, Semiaquilegia guangxiensis, is described and illustrated. The plant is morphologically similar to S. adoxoides, but it obviously differs from the latter by the following characteristics: stamens 20–30 (vs. 8–14 in S. adoxoides); staminodes ca. 10, half the length of the filaments (vs. ca. 2, as long as filaments in S. adoxoides); follicles ca. 1 cm long, ca. 3 mm wide (vs. 6–7 mm long, ca. 2 mm wide in S. adoxoides); seeds 1.5–2.5 mm long (vs. ca. 1 mm long in S. adoxoides). Its affinity to S. adoxoides and placement in Semiaquilegia are confirmed by phylogenetic analyses based on nuclear ITS and chloroplast trnL-F sequences.