Onion is a plant of the genus Allium in the Liliaceae family. The bulbs are solitary, cylindrical, and are rarely ovoid-cylindrical with an enlarged base; the outer skin of the bulb is white, rarely light reddish brown, membranous to thinly leathery, and not broken. The leaves are cylindrical and hollow; the scape is cylindrical and hollow, enlarged below the middle and tapering toward the top

Buckhead

; The leaves are dark green, elongated and tubular, with a triangular cross-section. The leaf sheaths embrace to form a pseudostem, and the base forms a thick bulb

Leek, a perennial herbaceous plant of the Liliaceae family, has a special strong smell. The rhizome is horizontal, and the bulbs are narrow conical and clustered; the scale skin is yellowish brown. Reticular fiber; basal leaves, strip-shaped, flat;