A climbing or scrambling, rarely creeping shrub that grows to a height of 3m. Stems are woody, clothed with short rusty or white woolly hairs, and armed with numerous prickles. Leaves are simple, spiral, and stipulate. Petiole is slender and spiny. Blade is 3- or 5-lobed, 3cm – 20cm × 2cm – 18cm, glabrous or sparsely hairy above, and densely white or rusty-colored and hairy below. Flowers are white or reddish-pink and arranged in racemes in the upper axils. Berries are about 1–1.3cm in diameter, red, and tasteless. |