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Article
Published: 2021-10-13

Selaginella qingchengshanensis (sect. Heterostachys; Selaginellaceae), a new species from Sichuan, China

School of Ecology and Environmental Science, Yunnan University, Kunming, 650091 Yunnan, China
School of Life Sciences, Yunnan University, East Outer Ring Road, Chenggong District, Kunming, Yunnan 650500, China
Missouri Botanical Garden, 4344 Shaw Blvd., St. Louis, Missouri 63110, U.S.A; Chengdu Institute of Biology, Chinese Academy of Sciences
School of Ecology and Environmental Science, Yunnan University, Kunming, 650091 Yunnan, China
Lycophyte phylogeny Qingcheng Mountain Selaginella amblyphylla Pteridophytes

Abstract

Based on morphological and phylogenetic studies, Selaginella qingchengshanensis, a new species in S. sect. Heterostachys from Sichuan, China is described and illustrated. Morphologically, the new species is similar to S. amblyphylla, but has sterile leaves with denticulate to slightly ciliate margins, dorsal leaves with long arista (as long as leaves) perpendicular to stems and branches in living plants, and axillary leaves triangular-ovate or broadly ovate. Molecular analyses based on ITS+5.8S and rbcL data also support it as a distinct species.

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