Gender: Female. Usage: Morella is not a popular first name. It is more often used as a girl (female) name. People having the name Morella are in general originating from Ireland, Italy, United States of America.
From Wikipedia, the free encyclopedia. A leaf scar is the mark left by a leaf after it falls off the twig. It marks the site where the petiole attached to the stem. A leaf scar is found where a plant branches. The leaf scar on Ailanthus altissima. Leaf scars are formed naturally at the end of the growing season for deciduous plants when a layer of cells called the absciss layer forms between the petiole and stem. The absciss layer acts as a point of cleavage and the leaf breaks off leaving a cleanly shaped scar.
A compound leaf is one in which the leaf blade in broken up into a number of segments called leaflets. All borne on a single stalk called the rachis. Compound leaves can be seen in rose, neem and coriander. leaf having a single or undivided blade is called a simple leaf. The blade may be entire or lobed to any depth, but not down to the midrib or petiole. Simple leaves are found in mango, peepal, guava and many others.