Chinese chive (scientific name: A. tuberosum Rottl). ex Spreng。 Alias: Fengben, Caostalactite, Qiyangcao, Lazy Vegetable, Changshengjiu, Yangyangcao, Flat Vegetable, etc. It is a perennial herb of Liliaceae, with strong smell, recumbent rhizomes, narrow conical bulbs and clumps; Scaly skin is yellow-brown, reticulate and fibrous; Leaves basal, strip, flat; Umbel, terminal.

Leaves, scape and flowers are eaten as vegetables; Seeds can be used as medicine, and have the effects of tonifying kidney, strengthening stomach, refreshing, stopping sweating and arresting astringency. In Chinese medicine, some people call leeks "intestinal grass".

Leek has strong adaptability, cold resistance and heat resistance, and is cultivated all over the country.

Flowers: Umbrella covered by conical involucre, with 20-30 small flowers inside. The floret is bisexual, with white corolla, 6 perianth segments and 6 stamens. The ovary is superior and cross-pollinated.

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Flower leek

Leek is specially used to harvest the flower stems of edible leeks. Short leaves, rough texture, strong tillering ability and high bolting rate. The flower stems are tall and thick, crisp and tender, shaped like garlic stems, with You Mei flavor. Lanzhou, Gansu and Taiwan Province provinces are widely cultivated in China. There are also sporadic introduction and cultivation in Shandong and other places. There are many varieties of leek, such as lobular species: strong bolting and tillering, narrow and short leaves, thick color, thin and slightly green leaf sheaths, hard leaf sheaths, early maturity, dual-purpose leaves and flowers, and medium quality; Chinese chives: extremely bolting, long stems, wide and long leaves, dark green, large leaf sheaths, yellow and red. The leaves and leaf sheaths are hard and have a long bolting period, which can be bolting all year round, and the leaves are not edible, mainly bolting; Nianhua 2: thick stems, good quality and low temperature tolerance.