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.
noun, Plant Pathology. 1. a disease of plants characterized by restricted, discolored lesions, caused by a fungus. âBoll rot,â or âanthracnose,â is a disease which may at times be sufficiently serious to destroy from 10 to 50% of the crop. The leaves would dry up and the berries become small and crumbly when affected by anthracnose.