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Issue: Vol. 595 No. 1: 3 May 2023
Type: Article
Published: 2023-05-03
DOI: 10.11646/phytotaxa.595.1.9
Page range: 115-119
Abstract views: 98
PDF downloaded: 7

Asarum wannanense, a new species of Aristolochiaceae from Southern Anhui, Eastern China

State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China. School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China. Research Unit of DAO-DI Herbs, Chinese Academy of Medical Sciences, 2019RU57, Beijing100700, China.
State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China. School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China.
School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
Institute of Chinese Medicine Resources, Hunan Academy of Chinese Medicine, Changsha 410013, China
School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
Asarum Longistylis Asarum magnificum new species calyx tube Magnoliids

Abstract

Asarum wannanense Lu Q. Huang & H. S. Peng, a new species from southern Anhui, eastern China, is described and illustrated. This new species is similar to A. magnificum Tsiang ex C. Y. Cheng et C. S. Yang, but the prominent morphological difference lies in the special calyx tube. The calyx tube of A. wannanense is constricted at the middle and upper part, with an orifice ring of ca. 4 mm wide. The orifice ring and the floral opening have elongated into a secondary calyx tube, with transversely corrugate characteristics.

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