Abstract                 Volume:4  Issue-4  Year-2017          Original Research Articles

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Two New Species of Loxogramme and Lepisorus (Polypodiaceae): Endemic Ferns from Kivu-Ruwenzori Mountain System (Eastern D.R.Congo, Albertine Rift)
Jean De Dieu Mangambu Mokoso1,2* and Ruurd van Diggelen2
1Université Officielle de Bukavu, Département de Biologie, Laboratoire de Systématique Végétale et de Biodiversité, Bukavu,    D.R. Congo
2Department of Biology, Vegetal Ecology Ecosystem Management Research Group, Antwerp University, Antwerp-Wilrijk, Belgium
*Corresponding author
Abstract:

This article mentions the presence of two new species or variation discovered and described once in the Kivu-Ruwenzori mountain system in D. R. Congo. The used methodology is related to taxonomy treatment of herbarium with macroscopic and microscopic observations of spores.  We have also established chronological and ecological analysis. Loxogramme ntahobavukiana to simple fronds, pinnately lobed, notched, oblanceolate the base and without sori exindusiate, elongated, oblique to costa. While Lepisorus robbrechtiana was characterized by monomorphic fronds, with a tendency to fronds monomorphic, with a tendency of dimorphism, lamina of two kinds, assimilating holders of sori, long each lobed at the vein rib fork, and others are short integers and simple vein.

Keywords: Endemic Kivu-Ruwenzori mountain system,Lepisorus robbrechtiana,
Loxogramme ntahobavukiana,Polypodiaceae
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How to cite this article:

Mangambu, M., Van Diggelen, R., 2017. Two new species of Loxogramme and Lepisorus (Polypodiaceae): Endemic ferns from Kivu-Ruwenzori Mountain System (Eastern D.R. Congo, Albertine Rift).Int.J.Curr.Res.Biosci.Plantbiol. 4(4): 61-74. doi: https://doi.org/10.20546/ijcrbp.2017.404.010