Related Clues:

• Member of the amaranth family
• Reddish-purple bit in a salad
• Underground vegetable with edible greens
• Plant used in food coloring
• Borscht bit
• Purple-hued root
• Got the honey at first for sugar from the whole of it (4)
• It might be pickled
• Asked pound for vegetable
• Bright colour, not a tan for a change
• Source of sugar cane, reportedly
• What sounds like cane, isn't!
• Soundly thrash, using a crop
• Root used as a source of sugar
• Genus of plant with succulent root