The heliotropes (Heliotropium) is a genus of plants in the family Boraginaceae with 250 to 300 species. The name "heliotrope" derives from the fact that these plants turn their leaves to the sun. Helios is Greek for "sun", tropein means "to turn". The old English name "turnsole" has the same etymology.

Heliotropium

The heliotropes (Heliotropium) is a genus of plants in the family Boraginaceae with 250 to 300 species.…