Off topic, sorry  .
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Summa summarum: Black mustard is Brassica nigra L./Sinapis nigra L.
		
		
	
	
		 
	
Photo source
"Black cumin" stands for two different spices: Nigella sativa seeds; also known as "Black seeds" (the blue flowering plant in Morning Glory's post) or Bunium bulbocastanum/Bunium persicum seeds (pic below). Link to an article.
		 
	
	
		
			
		
		
	
				
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.Summa summarum: Black mustard is Brassica nigra L./Sinapis nigra L.
Photo source
"Black cumin" stands for two different spices: Nigella sativa seeds; also known as "Black seeds" (the blue flowering plant in Morning Glory's post) or Bunium bulbocastanum/Bunium persicum seeds (pic below). Link to an article.
 
	 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		