heliotrope
/hɪliːˈɒtrəpiː/Definitions
1. noun
A plant of the borage family, especially one of the species Heliotropium arborescens or Heliotropium angiospermum, having clusters of small, fragrant flowers that turn their flower heads to follow the sun.
“The heliotrope in the garden was a beautiful sight with its clusters of purple flowers.”