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[Botany • 2020] Impatiens plicatisepala (Balsaminaceae) • A New Species from Guangxi, China
Abstract Impatiens plicatisepala C. Y. Zou, Yan Liu & S. X. Yu (Balsaminaceae), a new species from Ziyuan County Guangxi, China, is described and illustrated. It is closely related to Impatiens davidii Franchet and Impatiens dicentra Franchet ex J. D. Hooker, all of them having 1-flowered inflorescence and basal lobe of lateral united petals with a filamentous hair. This new species has unique characters and differs from its relatives by plicated sepals, rugose seeds and two bracts in different shapes. Keyword: Balsaminaceae, China, Impatiens, Impatiens davidii, Impatiens dicentra, morphology, new species, taxonomy Impatiens plicatisepala C. Y. Zou, Yan Liu & S. X. Yu,sp. nov. 褶萼鳳仙花 Diagnosis: Impatiens plicatisepala differs from I. davidii and I. dicentra in the stipitate glands at leaf base, the dimorphic bracts (one linear, the other broadly ovate), the broadly ovate and abaxially plicate lateral sepals, and the ellipsoid and rugose seeds. .... Distribution and habitat: At present Impatiens plicatisepala is only discovered in Ziyuan County in northern Guangxi, China. It grows directly in open or partly shaded moist places, along streams and muddy places, between 1000–1500 m. Etymology: The specific epithet ‘plicatisepala’ is named according to the characteristic of plicated lateral sepals Chun-Yu Zou, Yan Liu, Jin Li and Sheng-Xiang Yu. 2020. Impatiens plicatisepala (Balsaminaceae), A New Species from Guangxi, China. Taiwania. 65(4); 544‒547. DOI: 10.6165/tai.2020.65.544 |
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