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.
NODE - point at which leaf stalk is attached to stem. PETIOLE - leaf stalk, extends from stem to leaf blade. PRIMARY VEINS - the most prominent veins of a leaf. SECONDARY VEINS - those veins which depart from the primary veins; they may or may not extend to the leaf margin. SINUS - angle or valley between two lobes; may be rounded or angular. STEM - main branch of plant.