Jerusalem artichoke and Sunflower

Jerusalem artichoke noun - Tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers.

Sunflower and Jerusalem artichoke are semantically related. In some cases you can use "Sunflower" instead a noun phrase "Jerusalem artichoke".

Sunflower noun - Any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays.

Jerusalem artichoke and sunflower are semantically related. Sometimes you can replace phrase "Jerusalem artichoke" with "Sunflower", this terms are similar.