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Pertya scandens and P. glabrescens (Asteraceae: Pertyeae) revisited

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Abstract:

In Japan, there are two common suffruticose species of the genus Pertya Sch. Bip. (Asteraceae: Pertyeae), P. scandens (Thunb.) Sch. Bip. and P. glabrescens Sch. Bip. ex Nakai, the former with pilose stems and leaves and the latter with glabrous to glabrate stems and leaves. Recently, however, it was concluded that the two species should be referred to as P. ovata Maxim. and P. scandens, the application of the latter name shifting to the species with glabrous stems. The lectotype of Erigeron scandens Thunb. (≡P. scandens) was carefully examined and it was identified as the species with pilose stems and leaves. Pertya glabrescens Sch. Bip. ex Nakai was determined to be the correct name for the glabrous species. Lectotypes for P. glabrescens, as well as the synonyms P. scandens f. maximowicziana Franch., P. scandens f. schulziana Franch., and P. glabrescens var. viridis Nakai are designated.

Keywords: COMPOSITAE; JAPAN; NOMENCLATURE; PERTYA; PERTYA GLABRESCENS; PERTYA OVATA; PERTYA SCANDENS; TAXONOMY

Document Type: Research Article

Affiliations: 1: State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, P.R. China, Graduate University of Chinese Academy of Sciences, Beijing 100049, P.R. China 2: Herbarium (IBSC), South China Botanical Garden, Leyiju, Guangzhou, Guangdong 510650, P.R. China 3: Botanical Gardens, University of Tokyo, Tokyo 112-0001, Japan 4: State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, P.R. China 5: State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, P.R. China;, Email: gaotg@ibcas.ac.cn

Publication date: 2012-10-11

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