The plant may be herbs, shrubs or trees. Flowers are complete, actinomorphic, pentamerous and hypogynous. Epicalyx is present. Calyx has 5 sepals which connect at the base, corolla has 5 petals. Androecium has indefinite monadelphous stamens and gynoecium has five carpels, syncarpous, ovary superior with axile placentation. Fruit is capsule type and non-endospermic seed. Hibiscus rosa-sinensis (China rose) is one of the best examples of this family. Example: Bhindi, hollyhocks.
The plants are mostly herbs, herbaceous stem with alternate leaves. Flowers are actinomorphic, pedicellate, hypogynous and trimerous. Perianth is 6 in two words of three each, polyphyllous or gamophyllous and free or united. Androecium has six stamens, polyandrous and Gynoecium has tricarpellary, syncarpous, ovary superior or half inferior. Fruit is berry or capsule with endospermic seed. Examples: Ghrit kumari (Aloe vera), Tulip (Tulipa tulip), Lily (Lilium candidum), Onion (Allium cepa).
The plants are annual or perennial herbs and rarely tree (bamboo). Stem is herbaceous and leaves are sessile with long sheathing base, simple and parallel venation. Each spikelet is composed of 2-5 flowers. It is enclosed by a pair of bracts called glumes. Flower is small, bracteates and unisexual, perianth (2 or 3 sale like lodicules) and androecium has 3 stamens while gynoecium has monocarpellary, unilocular superior ovary. Fruit is caryopsis and endospermic seed. Examples: Rice (Oryza sativa), Wheat (Triticum aestivum), Maize (Zea mays), Barley (Hordeum vulgare).