â¢ MORELLO (noun) The noun MORELLO has 2 senses: 1. any of several cultivated sour cherry trees bearing fruit with dark skin and juice. 2. cultivated sour cherry with dark-colored skin and juice. Familiarity information: MORELLO used as a noun is rare.
Petiole. In botany, the petiole is the stalk attaching the leaf blade to the stem. The petiole is the transition between the stem and the leaf blade, and usually has the same internal structure as the stem. Outgrowths appearing on each side of the petiole are called stipules.
A pinnate leaf is a compound leaf that attaches to the stem and is divided into smaller leaflets. A pinnate leaf can either be even or odd, which is the amount of leaflets contained on the leaf. As you can see, both the drawing and picture are odd pinnate leaves because they have an odd amount of leaflets.