Nigella sativa

Nigella sativa is a black cumin (also known as nigella or kalonji).BSBI List 2007. Botanical Society of Britain and Ireland. It is an annual flowering plant in the family Ranunculaceae. It is from south and southwest Asia. Nigella sativa can grow to be  tall.

The black cumin fruit has numerous seeds which are used as spice, sometimes as a replacement for original black cumin Bunium bulbocastanum. These two plants are both called 'black cumin' on account of their seeds.

 References 

Other websites

 Spice pages: onion seeds (Nigella sativa, falsely black cumin or black caraway)

Category:Spices
Category:Ranunculales