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Issue: Vol. 567 No. 1: 30 September 2022
Type: Article
Published: 2022-09-30
DOI: 10.11646/phytotaxa.567.1.9
Page range: 93-99
Abstract views: 49
PDF downloaded: 2

Polystichum suiyangense (sect. Sphaenopolystichum, Dryopteridaceae), a new fern from Guizhou, China

College of pharmacy, Guizhou University of Traditional Chinese Medicine, 550025, Guiyang, China
College of pharmacy, Guizhou University of Traditional Chinese Medicine, 550025, Guiyang, China.
College of pharmacy, Guizhou University of Traditional Chinese Medicine, 550025, Guiyang, China
College of pharmacy, Guizhou University of Traditional Chinese Medicine, 550025, Guiyang, China
College of pharmacy, Guizhou University of Traditional Chinese Medicine, 550025, Guiyang, China
Missouri Botanical Garden, 4344 Shaw Blvd, St. Louis, Missouri 63110, U.S.A. and Chengdu Institute of Biology, Chinese Academy of Sciences, P.O. Box 416, Chengdu, Sichuan 610041, P. R. China
IUCN assessment karst areas Polystichum auriculum P. bifidum P. martinii Pteridophytes

Abstract

Polystichum suiyangense (Dryopteridaceae), a new species from Suiyang County, Guizhou, China, is described and illustrated. It is a member of P. sect. Sphaenopolystichum and similar to P. auriculum, P. bifidum, and P. martinii, but differs from them in its frond texture, leaf color, scales on petiole and rachis, pinna shape, and pinna apex. The new species is currently known only from the type locality and is classified as CR (critically endangered) following the IUCN criteria.

References

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