Cyrtomium adenotrichum (Dryopteridaceae), a new species from Guangxi, China

Abstract

Cyrtomium adenotrichum Y. Nong & R.H. Jiang (Dryopteridaceae), a new species from Guangxi, China, is described and illustrated. This new species is similar to C. nephrolepioides (Christ) Copel., C. obliquum Ching & K. H. Shing ex K. H. Shing, C. sinningense Ching & K. H. Shing ex K. H. Shing and C. calcis Liang Zhang, N.T.Lu & Li Bing Zhang in having erect rhizomes, dense, leathery lamina and rounded sori, but it can be easily distinguishable by its stipe sparsely glandular, base obvious oblique, basiscopic base truncate, acroscopic base auriculate or ovate.