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Studies on Lophocoleaceae XXI. Otoscyphus J.J. Engel, Bardat et Thouvenot, a new liverwort genus from New Caledonia with an unusual morphology

John J. ENGEL, Jacques BARDAT & Louis THOUVENOT

en Cryptogamie, Bryologie 33 (3) - Pages 279-289

Published on 27 July 2012

A new genus of liverwort in the family Lophocoleaceae is described and illustrated. The genus Octoscyphus presents a suite of original characters for this family. It is placed in the subfamily Lophocoleoideae. It has, in particular, a unique feature among leafy liverworts: The leaves have a very broad foliar base forming a longitudinally inserted pocket. The feature involves several characters. This genus is represented by a single species, Otoscyphus crassicaulis comb. nov., from New Caledonia. The species is montane and occurs on the dead, rotted wood.


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