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Nigella sativa
Is an annual flowering plant, native to southwest Asia. It grows to 20–30 cm tall, with finely divided, linear (but not thread-like) leaves. The flowers are delicate, and usually coloured pale blue and white, with 5–10 petals. The fruit is a large and inflated capsule composed of 3–7 united follicles, each containing numerous seeds. The seed is used as a spice
Nigella sativa seed
