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.
In some leaves there is no stipule for example. Nearly every leaf has a leaf stalk. The leaf stalk is called the petiole. The petiole attaches to the stem at a point called the leaf axil. Leaves can store food, water and minerals and these are transported through the veins and stem.he leaf stalk is called the petiole. The petiole attaches to the stem at a point called the leaf axil. Leaves can store food, water and minerals and these are transported through the veins and stem.