In some few instances the calyx is not at all altered, but the carpellary leaf is trifoliolate, or even quinquefoliolate, the corolla being then absent.    From Wordnik.com.  [Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants] Reference

It had produced seven ascidia in all, each formed by the conversion of one leaflet on the trifoliolate leaves.    From Wordnik.com.  [Species and Varieties, Their Origin by Mutation] Reference

In summer the range is wider, and besides many trifoliolate leaves the curiously shaped seven-bladed ones are not at all rare.    From Wordnik.com.  [Species and Varieties, Their Origin by Mutation] Reference

They are most marked among leguminous plants, as shown by the trifoliolate leaves of the thorn-broom and allies, which in the adult state have green twigs destitute of leaves.    From Wordnik.com.  [Species and Varieties, Their Origin by Mutation] Reference

It is never quite free from the old atavistic type of the trifoliolate leaves, and invariably, when external conditions become less favorable, this atavistic form is apt to gain dominion over the more refined varietal character.    From Wordnik.com.  [Species and Varieties, Their Origin by Mutation] Reference

Leaves are alternate, trifoliolate.    From Wordnik.com.  [Chapter 36] Reference

Foliolate Bearing leaflets (e.g. trifoliolate = bearing.    From Wordnik.com.  [Chapter 9] Reference