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Type: Article
Published: 2020-05-26
Page range: 49–54
Abstract views: 34
PDF downloaded: 2

Phytolacca yunnanensis (Phytolaccaceae), a new species from China with distinctive inflorescence characteristics

College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, P.R. China.
College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, P.R. China.
College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, P.R. China.
College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, P.R. China.
macro- and micromorphology taxonomy translucent multicellular trichomes Eudicots

Abstract

Phytolacca yunnanensis is described and illustrated as a new species from Yunnan Province, China. This new species is characterized by the distinctive dense translucent multicellular trichomes along the peduncles, raches, and pedicels of both racemose inflorescences and infructescences. These translucent multicellular trichomes, which were revealed by using stereomicroscope and SEM, represents the first discovery in the genus Phytolacca. P. yunnanensis resembles P. acinosa in sharing the free carpels, but differs by the 4-5-carpellate gynoecia. P. yunnanensis is also similar to P. exiensis by the number of carpels, but can be easily distinguished from the latter in having free carpels.