Skip to main content Skip to main navigation menu Skip to site footer
Responsive image
Issue: Vol. 346 No. 3: 6 April 2018
Type: Article
Published: 2018-04-06
DOI: 10.11646/phytotaxa.346.3.8
Page range: 287–292
Abstract views: 34
PDF downloaded: 1

A new variety of fern from Borneo, Sphaerostephanos unitus var. dimorphophylla (Thelypteridaceae)

Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
Institute for Tropical Biology and Conservation Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia
Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan Institute of Natural Environmental Sciences, Hyogo Prefectural University, Sanda, Hyogo 669-1546, Japan
Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan Bio-Next Project, Okazaki Institute for Integractive Bioscience, National Institutes of Natural Sciences, Yamate Build. #3, 5-1, Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan
Borneo fern Imbak Canyon Malaysia rheophyte Sabah Sphaerostephanos taxonomy Thelypteridaceae Pteridophyters

Abstract

The genus Sphaerostephanos is a sub-group of Thelypteridaceae. We collected an undescribed taxon of this genus in Imbak Canyon, Sabah, Borneo. We describe this specimen as a new variety with a drawing and key of this genus.