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Issue: Vol. 338 No. 2: 13 February 2018
Type: Article
Published: 2018-02-13
DOI: 10.11646/phytotaxa.338.2.3
Page range: 189–194
Abstract views: 20
PDF downloaded: 1

Lejeunea streimannii (Lejeuneaceae, Marchantiophyta), a remarkable new species with robust stems and 5(or 6)-keeled perianths from Papua New Guinea

Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, China
Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, China
Department of Biology, School of Life Sciences, East China Normal University, 3663 Zhong Shan North Road, Shanghai 200062, China Tiantong National Station of Forest Ecosystem, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China.
Hepaticae Lejeunea riparia Lejeunea lumbricoides liverworts rheophytes Bryophytes

Abstract

Lejeunea streimannii, a new species from Papua New Guinea, is described and illustrated. The new species is characterized by the dioicous plants, robust stem with 18‒21 rows of cortical cells and a ventral merophyte 4‒6 cells wide, ovate leaves with a rounded, strongly incurved leaf apex, small lobules with unicelluar first tooth and blunt second tooth, large underleaves with a cordate base, inflated perianths with 5(or 6) crenate, slightly winged keels.