Saffron is called Vegetable Gold. It is actually a purple flower.
eggplant
While it is botanically a fruit, an Aubergine is considered to be a culinary vegetable, it is purple and begins with 'A'.
Eggplant.
The purple root vegetable, such as purple sweet potatoes or purple carrots, are rich in antioxidants and nutrients that can help reduce inflammation, improve heart health, boost the immune system, and support healthy digestion.
vegetable dye
a purple food is a fruit vegetable flower candy etc. etc. etc.
· eggplant · endive
grape
There are a number of varieties of purple potatoes.
Broccoli
'Saffron ' obtained from the stigma of crocus sativus which is a showy purple coloured flower is also known as vegetable gold.