Most elaborate of the Greek architectural styles and least used by the Greeks. Resembles Ionic in most aspects except for the column capital; Corinthian columns have tall capitals shaped like an upside-down bell and are covered with rows of acanthus leaves and small vine like spirals called helixes.
Branching tree. Definition. noun. A branching identification key where the structure of the decision tree is displayed graphically as a branching structure, involving lines between items. Supplement. Depending on the number of branches at a single point, a branching key may be dichotomous or polytomous.
A phylogenetic tree or evolutionary tree is a branching diagram or  tree  showing the inferred evolutionary relationships among various biological species or other entitiesâtheir phylogeny âbased upon similarities and differences in their physical or genetic characteristics. rooted phylogenetic tree, illustrating how Eukaryota and Archaea are more closely related to each other than to Bacteria (based on Cavalier-Smith 's theory of bacterial evolution).