Biomics

The differences in the ranges, morphological structure, and molecular biological characteristics of representatives of all tribes of the Moraceae family – modern and accepted in the past - are considered. Special attention is paid to economically important natural rubber-bearing plants from this family – Castilla elastica, Castilla ulei and Ficus elastica from the tribes Castilleae and Ficeae, respectively. Based on the homology of the nucleotide sequences of the internal transcribed spacers (ITS 1 and ITS 2) of rDNA, a study of the phylogenetic relationship of about three dozen genera and 53 species of Moraceae was conducted. The analysis revealed 7 branches, generally corresponding to the five already recognized tribes of Moreae, Artocarpeae, Dorstenieae, Castilleae, Ficeae, and two more tribes described recently – Maclureae and Parartocarpeae. The heterogeneity of the genera Streblus, Trophis and Broussonetia has been confirmed. The species Treculia africana and Treculia obovoidea turned out to be in a single branch not with the Artocarpeae tribe, but with representatives of Dorstenieae, and most closely with Brosimum alicastrum. The tribes Ficeae and Castilleae with plants not only containing latex, but also rubber producers, turned out to be sister to each other and phylogenetically the nearest.  

mulberry family, Moraceae, Castillaceae tribe, Castilleae, Castilla elastica, rubber-bearing plant, latex, ITS 1, ITS 2, phylogeny

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