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Notes on Early Land Plants Today. 20. New synonyms in Gymnocoleopsis

By Cephaloziellaceae Marchantiophyta, Jiří Váňa, Lars Söderström, Anders Hagborg and Matt Von Konrat

Abstract

Author for correspondence Gymnocoleopsis multiflora was shown, based on molecular analysis by de Roo et al. (2007) not to belong to Lophoziaceae, but rather to Cephaloziellaceae and was transferred there by Crandall-Stotler et al. (2009). This transfer is also supported by some morphological characteristics like the cross section of the seta which is similar to that of other species of Cephaloziellaceae. Gymnocoleopsis multiflora is here reduced to the synonymy of Gymnocoleopsis cylindriformis. The species are reputedly separated (according to Schuster 1995, 2002) on the basis of obscure and variable characters of the perianth (smooth and eplicate vs. obscurely plicate near mouth, perianth mouth cells short, 1-2.4:1 vs. strongly elongated) and the size of the cells in the seta (inner and epidermal cells virtually equal in diam. vs. inner cells clearly smaller than outer). However, in the type specimen of Lophozia multiflora the perianth is “smooth and almost eplicate ” (cf. Schuster 1995: 132), the same as in African plants from Zaire. The length of the perianth mouth cells depends on the degree of maturity of the perianth. The size of the seta cells depends on the developmental stage of the seta and is not significant (cf. also Schuster 1995, fig. 1: 11, fig. 2: 3 and fig. 3: 11–12; Schuster 2002, fig. 320: 11 and fig. 321: 11–12). Two additional new synonyms of Gymnocoleopsis cylindriformis are Gymnocolea andina and Lophozi

Year: 2013
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