Solanum opacum is a species of flowering plant in the family Solanaceae. It is referred to by the common names green berry nightshade, or morelle verte, and is a sprawling annual native to eastern Australia. It is part of the black nightshade group of Solanum species.
A sprawling annual herb, minutely hairy, and with no prickles. The leaves are ovate to lanceolate, long and wide, usually with shallowly lobed margins. Both leaf surfaces are green and sparsely hairy. The petiole is long. Inflorescences 2âÂÂ5-flowered with a white stellate corolla 8âÂÂ12 mm diameter. The berry is 8âÂÂ10 mm diam., and green when mature.
An unidentified alkaloidal aglycone (0.4%) has been detected in the fruits of S.opacum, but none in the leaves or stems.
Uncommonly cultivated as a "rare" fruit. The ripe berries are eaten when yellowish green, and the flavor is described as spicy-sweet.