Question

Occurrence of different types of leaves in limnophila is called ________.

Answer 1

Limnophila is a genus of flowering plants in the family Plantaginaceae. It is found throughout tropical and subtropical parts of Africa, Asia, Australia, and the Pacific Islands. Marsh Weeds are the common name for these species. These herbs are either annual or perennial.

Complete answer:
Limnophila herbs are either annual or perennial. Some are aquatic and flourish in moist habitats such as wetlands. Some species have glandular and fragrant characteristics. The genus contains plants that range in height from upright to prostrate, with branching or unbranched stems. Aerial leaves are whorled or oppositely oriented, whereas submerged leaves are whorled.

The leaves are lance-shaped or pinnate, with smooth or serrated edges on the blades. Flowers grow singly in the leaf axils of certain species, while others bloom in inflorescences.

Heterophylly is a condition in which a plant has two different leaf kinds. Environmental, developmental, and habitual heterophylly are the three forms of heterophylly. At different stages of growth, leaves in developmental heterophylly change in size and form. At various locations of the plants in habitual heterophylly, the leaves have varied forms.

-Heterophylly is the occurrence of leaves of various shapes on the same or separate stems of the same plant. There are three primary categories:

1. Developmental heterophylly, in which various types of leaves appear at different stages of development. In the juvenile stage, plants will have various leaves, and in the mature stage, they will have a distinct shape. Cotton, coriander, and Larkspur, for example.
2. Habitual heterophylly- Leaves of various forms are borne on different sections of the plant in this kind. Take, for example, an East Indian herb. The leaves on the main stem are oval, while the branches have acicular leaves.
3. Environmental heterophylly is a kind of heterophylly that is mostly seen in aquatic plants. Floating leaves and submerged leaves are not the same as airborne leaves. Buttercup is a good example. When compared to submerged leaves, aerial and floating leaves are usually wider.

Semi-aquatic plants exhibit environmental heterophylly. One sort of leaf is on the upper surface, while the other is on the lower surface. The submerged leaves are stomata-free and thin. The aerial leaves are thick and stomata are present. Limnophila is an example of environmental heterophylly.

Thus the correct answer is 'Heterophylly’

Note: The corolla is tubular or funnel-shaped, and the sepals are grouped in a tubular calyx. The corolla has a three-lobed lower lip and an unlobed or double-lobed top lip. Cabomba caroliniana, a plant from a separate family, is known for possessing Limnophila-like leaves.