White Forsythia, Abeliophyllum distichum
White Forsythia or Nakai (Abeliophyllum distichum) is a species of flowering plant of the family, Oleaceae. It is the only species in its genus. It is endemic to Korea, where it is endangered in the wild. It is known as Abelialeaf in Korea. It is related to the Forsythia, but differs in having white, not yellow, flowers. It is cultivated as an ornamental plant in Europe and North America.
It is a deciduous shrub that grows to 3.25 to 6.5 feet tall. The leaves are simple, 2.33 to 4 inches long and 1.2 to 1.75 inches wide. Both sides of the petal are covered in soft, fine hairs. The flowers are produced in early spring before the new leaves appear. The flowers are white, are about 0.4 inches long, and with a four-lobed corolla. The fruit is round.