Lampetia

Greek - One of the Heliades. Daughter of Helius and Clymene or Neara. Sister of Aegle, Phaeton and Phaetusa. She and her sisters Aegle and Phaetusa were turned into a poplar (or pine) tree as they grieved at the death of their brother Phaeton. In some lore, occasionally identified as Lampetia.