The Collaborative International Dictionary
Petiolary
Petiolar \Pet"i*o*lar\, Petiolary \Pet"i*o*la*ry\, a. [Cf. F. p['e]tiolarie.] (Bot.) Of or pertaining to petiole, or proceeding from it; as, a petiolar tendril; growing or supported upon a petiole; as, a petiolar gland; a petiolar bud.
Wiktionary
petiolary
a. (dated form of petiolar English)