purple veined

/ˈpɜrpəl veɪnd/
adjective
  1. Having purple veins or lines, especially in leaves, rocks, or skin.
    • The marble countertop was purple-veined with streaks of deep violet.
    • Her hands were purple-veined from the cold, showing thin lines of blue-purple.
    • The plant's leaves were purple-veined, making it popular in gardens.