Identification of the relationship between Chinese Adiantum reniforme var. sinense and Canary Adiantum reniforme.

ABSTRACT:

Background

There are different opinions about the relationship of two disjunctively distributed varieties Adiantum reniforme L. var. sinense Y.X.Lin and Adiantum reniforme L. Adiantum reniforme var. sinense is an endangered fern only distributed in a narrowed region of Chongqing city in China, while Adiantum reniforme var. reniforme just distributed in Canary Islands and Madeira off the north-western African coast. To verify the relationship of these two taxa, relative phylogenetic analyses, karyotype analyses, microscopic spore observations and morphological studies were performed in this study. Besides, divergence time between A. reniforme var. sinense and A. reniforme var. reniforme was estimated using GTR model according to a phylogeny tree constructed with the three cpDNA mark

SUBMITTER: Wang AH 

PROVIDER: S-EPMC4340607 | biostudies-literature | 2015 Feb

REPOSITORIES: biostudies-literature