From The Collaborative International Dictionary of English v.0.48 [gcide]:
Partite \Par"tite\, a. [L. partitus, p. p. of partire to part,
divide, from pars. See Part, and cf. Party, a.]
1. (Bot.) Divided nearly to the base; as, a partite leaf is a
simple separated down nearly to the base.
[1913 Webster]
2. Consisting of parts; usually used in compounds specifying
the number of parts; as, a tripartite treaty.
[PJC]