That dichotomizes (in various senses); characterized by (the use of) dichotomy.

Spreading, ramifying, diverging; also, rambling, diffuse.

Botany and Zoology. Dividing into two, typically equal, branches, esp. repeatedly and successively. Also: of or relating to such branching.

Having (many) small branches or divisions. Cf. ramose, adj.

Slightly ramose; having few branches; having a slight tendency to branch. Cf. subramous, adj.

Botany. Dividing into three branches; so branched that each successive axis divides into three.

Ramifying into four branches or divisions; doubly dichotomous.

Having many small branches.

Anatomy and Botany. Of or relating to the axilla (of the human body) or an axil (of a plant); = axillary, adj.; (now rare). In later use also…

= biramous, adj.

Two-branched.