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Issue: Vol. 273 No. 4: 12 September 2016
Type: Article
Published: 2016-09-12
DOI: 10.11646/phytotaxa.273.4.5
Page range: 293–298
Abstract views: 33
PDF downloaded: 57

Impatiens wawuensis (Balsaminaceae): a new species from Sichuan, China

College of Life Science and Engineering, Chongqing Three Gorges University, Chongqing 404000, China
Biomedical Sciences, College of Health Sciences, Midwestern University, AZ 85308, USA College of Veterinary Medicine, Midwestern University, Glendale AZ 85308, USA
Management Bureau of Sichuan Wawu Mountain Provincial Nature Reserve, Sichuan 620634, China
State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China.
State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China.
State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China.
Balsaminaceae China Impatiens new species Sichuan Eudicots

Abstract

We describe Impatiens wawuensis B. Ding & S. X. Yu, a new species from Mt. Wawu, Sichuan Province, China. The new species is superficially similar to I. oxyanthera in having an inflorescence consisting of two pink flowers with a reddish vein. Differences include smaller leaves and flowers, lower sepals with shorter and slightly incurved spur, lower petal of lateral united petals with an elongate linear auricle inserted into the spur, and a fusiform capsule that is sparsely verrucous. We also present for the new species its seed micromorphology and palynological features under Scanning Electron Microscopy.