Allium cepa is commonly known as Onion. It is a member of the Liliaceae family. In this article, we will learn about the position of leaves, flowers, and fruits of Allium cepa.
Scientific Name: Allium cepa
Some Basic Information about Allium cepa
Habit– A cultivated herb.
Root– Adventitious, fibrous.
Stem– Underground tunicated bulb.
Leaf– Radicle, cylindrical, leaf base sheathing, hollow.
Inflorescence– Apparently terminal umbel on the leafless scape, 2-3 membranous bracts may enclose the young umbel.
Flower– Bracteate, pedicellate, actinomorphic, complete, hermaphrodite, hypogynous.
Perianth–Tepals 6, arranged in two whorls of 3 each, gamophyllous, imbricate aestivation.
Androecium– Stamens 6, in two whorls of 3 each, polyandrous, epiphyllous, anthers long, dithecous, dorsifixed, and introrse.
Gynoecium–Tricarpellary, syncarpous, superior ovary, trilocular, axile placentation, style short, stigma minute.
Fruit– Capsule.
↶
Floral formula– Br ⊕ ⚥ P3+3 A3+3 G(3)
Systematic Position:
Division – Phanerogamia
Subdivision – Angiospermae
Class – Monocotyledonae
Series – Coronarieae
Family – Liliaceae
Genus – Allium
Species – cepa