Fabaceae
This family was earlier called papilonoideae, a subfamily of family leguminousae. It is distributed all over the world.
Vegetative Characters
Trees, Shrubs, Herbs, roots with root nodules
Stem: Erect or climber
Leaves: Alternative, pinnately compound or simple, leaf base, pulvinate, stipulate, reticulate venation.
Floral characters
Inflorescence: Racemose
Flower: Bisexual, zygomorphic
Calyx: Sepals five, gamosepalous, papilionaceous, consisting of a posterior standard two lateral wings, two anterior ones forming a keel, vaxillary aestivation.
Androecium: Ten, diadelphous, anther dithecous
Gynoecium: Ovary superior, monocarpellary, unilocular with many ovules, style single.
Fruit: Legume; seed; one to many non-endospermic
Economic importance: Many plants belonging to the family are sources of pulses, edible oil, dye; fibers; fodder, ornamentals; medicine.
Solanaceae
It is a large family, commonly called as the 'potato family'. It is widely distributed in tropics, subtropics and even temperate zones.
Vegetative characters
Plants mostly, herbs, shrubs and small trees.
Stem: Herbaceous rarely woody, aerial, erect, cylindrical, branched solid or hollow, hairy or glabrous, underground stem in potato.
Leaves: Alternate, simple, rarely pinnately compound, exstipulate, reticulate venation.
Floral characters
Inflorescence: Solitary, axillary or cymose as in Solanum.
Flower: Bisexual, actinomorphic.
Calyx: Sepals five, united, valvate aestivation.
Corolla: Petals five, united, valvate aestivation.
Androecium: Stamens five, epipetalous
Gynoecium: Bicarpellary, syncarpous, ovary superior, bilocular, placenta swollen with many ovules.
Fruits: Berry or capsule
Seeds: Many, endospermous.
Economic importance:
Many plants belonging to this family are source of food, spice, medicine, and ornamentals.