Epimeliad
In Greek mythology, the Epimeliads, Epimelides, Meliades, or Maliades (Ancient Greek: ) are dryad nymphs that care for apple trees as well as sheep and goats. The homonymic names for an epimelias (Ἐπιμηλιάς) relates them to both fruit trees and flock animals giving them their dual role. Their hair is white, much like apple blossoms or undyed wool. Like other dryads, they can shape-shift from trees to humans. They are also known to be the guardians of the tree that the Golden Fleece was kept on. Notably, these nymphs are not a clearly defined category since various other types of nymphs were counted among them. Etymology 
One etymology for the ancient Greek word  refers to a goat or a sheep. In Boeotian, the word was . However, another etymology for the ancient Greek word  can refer to an apple or any other fruit, while  is specifically the name for medlar. The Doric and Aeolic variation is , hence once of their names Maliades. List of Epimeliads 
 Hesperides
 Penelope
 Sinoe
 Sose
 Lampetia
 Phaethusa

References

Dryads
Nymphs

Apples in culture