Japanese name: リュウキュウイチゴ(琉球苺) Scientific name:Rubus grayanus
A deciduous shrub.
The stems are almost hairless and sparsely bear hooked thorns.
The leaves are alternate and simple, rather thick, ovate to ovate-elliptic, 4–10 cm long, either undivided or slightly 3-lobed, with a shallowly heart-shaped base.
The upper surface of the leaf is hairless, the veins on the underside are hairy, and the margin has low teeth.
The petiole is 1–3 cm long.
On flowering branches 5–7 cm long bearing a few leaves, 1–3 flowers hang down.
The flowers are white and 5-petaled, about 3 cm across.
The fruit is a spherical aggregate fruit 1.3 cm across that ripens orange-yellow.