Explanation:

Habits: Annual or perennial HERBS rarely shrubs.

Roots: TAP ROOT, branched, sometimes, tuberous due to presence of stored food.

Stem: Herbaceous stem, erect or prostate with swollen nodes.

Leaves: Petiolate, Alternate, simple, exstipulate, reticulate venation. Usually sheathing at the base.

Inflorescence: Cymose, umbel (old name of family Umbelliferae derive from umbel), simple or compound.

Umbel is surrounded by thin leafy bracts involure and involucel.

Flower: Ped ici I late, ebracteate, actinomorphic, Regular, complete, hermaphrodite; epigynous with a disc, pentamerous, sometimes, outer petal of marginal flowers of umbel are enlarged. Therefore, the flowers are IRREGULAR and zygomorphic.

Calyx: 5 SEPALS, adnate to ovary, superior, free.

Corolla: 5, free, often bifid, unequal velvate or imbricate, superior.

Stamens: 5 Stamens, free, alternating with petals, anther versatile, superior.

Carpel: Bicarpillary, syncarpous, ovary inferior, bilocular with single pendulous ovule in each loeulus, style two, stigma two, placentation parietal.

Fruits: Cremocarp, oblong, ridged.

Seed: Albuminous seed