polytomy
英 [pə'lɪtəmɪ] 美 [pə'lɪtəmɪ]

n.

分成三分以上，分成三分以上的状态；多岐花序；

英英释义

Polytomy

• A polytomy , meaning many temporal based branches, is a section of a phylogeny in which the evolutionary relationships can not be fully resolved to dichotomies. In a phylogenetic tree, a polytomy is represented as a node which has more than two immediate descending branches.

以上来源于:Wikipedia

权威例句

Polytomy
Polytomy identification in microbial phylogenetic reconstruction
Polytomy refinement for the correction of dubious duplications in gene trees
Distance-Based Phylogenetic Methods Around a Polytomy
Between a rock and a hard polytomy: rapid radiation in the rupicolous girdled lizards (Squamata: Cordylidae).
The phylogenomic forest of bird trees contains a hard polytomy at the root of Neoaves
Conflicting phylogenies of balsaminoid families and the polytomy in Ericales: combining data in a Bayesian framework
Phylogenetic interrelationships and pattern of evolution of the therapsids: Testing for polytomy
No substitute for real data: phylogenies from birth-death polytomy resolvers should not be used for many downstream comparative anal...
No substitute for real data: a cautionary note on the use of phylogenies from birth-death polytomy resolvers for downstream comparat...