Ranunculaceae, native to japanese Europe (Bulgaria and Romania) and Western Asia (Cyprus, Turkey, Iran and Iraq), but naturalized over a a lot wider area, including parts of Europe, northern Africa and east to Myanmar. It’s used as a spice in lots of cuisines. The genus title Nigella is a diminutive of the Latin niger “black”, referring to the seed colour. The precise epithet sativa means “cultivated”. Black seed and black caraway may confer with Elwendia persica, which is also called Bunium persicum. N. sativa grows to 20-30 cm (7.9-11.Eight in) tall, with finely divided, linear (but not thread-like) leaves. The flowers are delicate, and normally colored pale blue and white, with five to 10 petals. The fruit is a large and inflated capsule composed of three to seven united follicles, every containing quite a few seeds which are used as spice, sometimes as a replacement for Bunium bulbocastanum (additionally known as black cumin).

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