petiolate

/pet-ee-uh-leyt/US // ˈpɛt i əˌleɪt //UK // (ˈpɛtɪəˌleɪt) //

叶柄,叶柄状,叶脉,叶柄型

Definitions

adj.形容词 adjective

Cotyledons accumbent, flattened, equal or nearly so, petiolate.
Pseudosessile: those petiolate Hymenoptera, in which the abdomen is so close to the thorax as to seem sessile.
No such thing as a petiolate leaf occurs in acrogens, all are attached by a broad base?
Leaves or leaflets are sessile when they have no stems, and petiolate when they have stems.
I have on a former occasion explained to you how, in insects that have a petiolate abdomen, that part is elevated and depressed.