It is commonly called the potatao family. They are widely distributed in tropics, subtropics and temperate regions. Vegetative characters Habitat – Plants mostly herbs, shrubs and rarely small trees. Stem – Herbaceous, rarely Woody, Aerial; Erect, Cylindrical, Branched, Solid or Hollow, Hair or Glabrous, Underground stem in Potato (Solanum Tuberosum) Leaves – Leaves: alternate, simple, … Read more
Family Fabaceae (Leguminosae) It is the 3rd largest family in flowering plants. It was earlier called Papilionidae, a subfamily of family Leguminosae. They are distributed all over the world. Vegetative characters Habitat – Usually herbs or herbaceous climbers. Leaves – Alternate, pinnately compound, or simple.usually stipulate leaves with pulvinous base. Reticulate Venation. Root – The … Read more
While describing an angiospermic plant, various morphological features are used. The description should be brief and scientific language or technical terms should be used. The description process begins first with the habitat, vegetative characters, floral characters, inflorescence and flower parts. The floral characters are described using Floral Formula and Floral diagram. Floral Formula The … Read more
The seed is the mature ovule developed after fertilization. It contains the embryo. Hence, the seed consists of two parts – embryo and a seed coat. The integuments of the ovule develop into the seed coat. In dicots, the seed coat is double layered, while in monocot seeds, it is fused with the fruit wall. … Read more
The fruit is the mature or ripened ovary of a plant. Fruits enclose the seeds. The branch of horticulture that deals with the study of fruits and fruit cultivations is known as pomology. Fruit is developed from a fertilized ovary. If the fruits are developed without fertilization, it is called a parthenocarpic fruit, and the … Read more
It is the most innermost whorl and the female reproductive organ of a flower. It is made up of one or more carpels. Each carpel has three parts – Stigma, Style and Ovary. Stigma It is the topmost part of a carpel. Stigma forms the receptor surface for the pollen grains. Style It is the … Read more
Androecium is the third whorl of a flower. It is composed of stamens of microsporophylls. It is the reproductive organ of a plant. Stamen The stamen consists of two parts. A thin slender stalk called the filament, and a bilobed structure at its tip, known as the anther. Usually, anthers are bilobed (dithecous). In some … Read more
The stalk of a flower is called pedicel. A flower with pedicel is called pedicellate flower. Flowers without pedicel are called sessile. The swollen base of the pedicel is called thalamus or receptacle. Each flower has four whorls – Calyx, Corolla, Androecium and Gynoecium. A complete flower possesses all the four whorls. If the flower … Read more
Flower is the reproductive part of a plant. It is a modified shoot with very short and condensed internodes and a number of floral appendages at each node. These floral appendages are modified leaves. A flower may be trimerous, tetramerous or pentamerous when the floral appendages are in multiple of 3, 4 or 5, respectively. … Read more
Flower is the reproductive part of a plant. It is a modified shoot with very short and condensed internodes and a number of floral appendages at each node. These floral appendages are modified leaves. A flower may be trimerous, tetramerous or pentamerous when the floral appendages are in multiple of 3, 4 or 5, respectively. … Read more