Sedum tarokoense Crassulaceae, a new species from a limestone area in TaiwanReport as inadecuate

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Botanical Studies

, 54:57



BackgroundAn unknown Sedum was found from the limestone region in Taiwan. After a detailed comparison with other congeners in Taiwan and neighboring countries, we identified this plant as a new species.

ResultsThis new taxon resembles S. nokoense Yamamoto, S. alfredii Hance, and S. uniflorum Hook. and Arn. subsp. oryzifolium Makino H. Ohba, but differs in leaf shape, sepal morphology, and seed testa micro-morphology. Ecologically, this new taxon occurs exclusively on limestone, while S. nokoense and S. alfredii grow in non-limestone areas and S. uniflorum subsp. oryzifolium is only found on sandy seashores.

ConclusionsSedum tarokoense H.W. Lin and J.C. Wang is described as a new species. We provide a description, line drawing, and distribution map, as well as photograph, a key and a table to distinguish S. tarokoense from its related species.

KeywordsCrassulaceae Ecological isolation Sedum Sedum tarokoense Seed testa Taiwan Electronic supplementary materialThe online version of this article doi:10.1186-1999-3110-54-57 contains supplementary material, which is available to authorized users.

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Author: Chang-Tse Lu - Hung-Wen Lin - Wei-Ting Liou - Jenn-Che Wang


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