petiolate, a.
(ˈpɛtɪəʊlət)
[ad. mod.L. petiolāt-us, f. petiol-us petiole: see -ate1. In F. pétiolé.]
Having or furnished with a petiole; stalked; borne or growing upon a petiole or stalk. a. Bot.
| 1753 Chambers Cycl. Supp. s.v. Leaf, Petiolate Leaf, one affixed to a plant by means of a peculiar pedicle. 1785 Martyn Rousseau's Bot. xvi. (1794) 183 The lower ones [leaves] petiolate, the upper sessile. 1861 Bentley Man. Bot. (1870) 133 When a leaf arises from the stem by means of a petiole it is said to be stalked or petiolate. |
b. Zool.: see petiole 2; spec. in Entom. Belonging to the division Petiolata of hymenopterous insects, with a stalked abdomen, as bees, wasps, etc.
| 1826 Kirby & Sp. Entomol. xliii. IV. 185 Insects that have a petiolate abdomen. 1856–8 W. Clark Van der Hoeven's Zool. I. 350 Abdomen always petiolate. |
Also ˈpetiolated a., in same senses.
| 1756 Phil. Trans. XLIX. 835 The leaves..of this species are constantly petiolated. 1856–8 W. Clark Van der Hoeven's Zool. I. 641 Branchiopoda.—Two eyes petiolated and a frontal ocellus sessile. |