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Type: Article
Published: 2021-01-05
Page range: 171–178
Abstract views: 50
PDF downloaded: 2

Styrax hwangiae (Styracaceae), a new species endemic to limestone areas of Guangxi, China

Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, Guangxi, China.
Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, Guangxi, China.
Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, Guangxi, China.
Jiangxi Provincial Key Laboratory for Bamboo Germplasm Resources and Utilization, College of Forestry, Jiangxi Agricultual University, Nanchang 330045, Jiangxi, China.
Jiangxi Provincial Key Laboratory for Bamboo Germplasm Resources and Utilization, College of Forestry, Jiangxi Agricultual University, Nanchang 330045, Jiangxi, China.
Ericales endangered species stellate tomentum taxonomy Magnoliids

Abstract

Styrax hwangiae, a new species with a narrow geographic distribution in limestone areas of Jingxi and Longzhou counties, Guangxi, China, is here described. The new species is similar to S. rugosus in habit, rugose leaves, shape of flowers and fruits, and to S. tonkinensis in habit and leaf shape, but it differs from S. rugosus by its longer petiole, paniculate or racemose inflorescence with more flowers, calyx abaxially tissue extend outward into many spires covered by many trichomes, flexuous longer filaments, and larger fruits with thicker pericarp, and from S. tonkinensis in its thickly leathery and rugose leaf blades, larger calyx and shorter peduncles. Colour plates of S. hwangiae, a distribution map and a table comparing the morphology of the three species are provided.