Question

a leaf attached directly to the stem without a petiole is called: compound simple whorled sessile

Explanation:

In botany, a sessile leaf is one that attaches directly to the stem without a petiole. A petiole is the stalk that attaches the leaf blade to the stem. Compound leaves have multiple leaflets, simple leaves have a single blade, and whorled leaves are arranged in a circular pattern around the stem, none of which relate to the absence of a petiole.

Answer:

D. Sessile