Title：
Impatiens zhuxiensis (Balsaminaceae), a new species of Hubei, China
Authors：
Corresponding
Author：
Gan Qiliang， Li Xinwei*
Pubyear：
2020
Title of
Journal：
Nordic Journal of Botany
Paper
Code：
Volume：
38
Number：
4
Page：
e02686
Others：
Classification：
Source：
Abstract：
A new species of Impatiens L. from Hubei, China, Impatiens zhuxiensis Q.L. Gan & X.W. Li, is described and illustrated. Impatiens zhuxiensis resembles I. nasuta Hook. f. and I. compta Hook. f. and these are the only species in I. sect. Impatiens with a long abaxial rostrum on the midvein of the dorsal petal. However, the flowers of I. zhuxiensis are yellow while those of I. nasuta and I. compta are deep purple-red and pale purple-blue, respectively; I. zhuxiensis has the midvein of the dorsal petal abaxially elongated into a pointed rostrum near the apex, whilst the rostrum of I. nasuta is elephant-trunk-shaped near the middle, and that of I. compta is recurved near the apex. A molecular phylogenetic analysis of Impatiens based on ITS, atpB-rbcL and trnL-F supported these three species as closely allied and that they belong to I. sect. Impatiens.
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