Examples from the Web for trifoliate
Again, the old furze-bush will have its leaves converted into spines, though the seedling started with a trifoliate leaf.Science and Practice in Farm Cultivation|James Buckman
The stipules are ovate, larger, veined, and have long points; and each flower-head has a pair of trifoliate leaves at its base.Field and Woodland Plants|William S. Furneaux
Changed "trifoliate" to "trifoliolate" in the index entry for "Foliolate."The Elements of Botany|Asa Gray
His principal sacred tree is the bel tree,2 which has trifoliate leaves, and may have been held sacred on this account.
The leaves are trifoliate, though sometimes they grow singly.The Botanical Magazine, Vol. 13|William Curtis