ternato-pinnate, a. Bot.
(təˌneɪtəʊˈpɪnət)
[f. mod.L. ternāt-us ternate (after Greek combining forms in -o) + pinnate.]
Applied to a compound leaf having three pinnate divisions proceeding from a common petiole.
| 1857 Henfrey Bot. 60 What are called biternate and triternate compound leaves are in most cases pinnate leaves with unijugate and terminal leaflets. Such leaves should perhaps be called ternato-pinnate or bi-ternato-pinnate, &c. |