The difference between Solanum frutescens and Solanum nigrum

1. Difference of blades

The leaves of Solanum sparsely flowered are ovate to ovate-oblong, 4-8 cm long and about 2-4 cm wide, with acuminate tip and a cuneate base that extends down to the petiole to form wings. Both sides have sparse soft hairs, and are sometimes hairless. The leaves of Solanum nigrum are ovate, about 2.5-10 cm long and 1.5-5.5 cm wide, with a short and pointed tip, a cuneate base and then a broad cuneate base, extending down to the petiole without wings.

2. The difference between flowers

The inflorescence of Solanum sparsely flowered is umbel, growing outside the axils, with 1-6 flowers. The flowers are small, with a white corolla, 5 lobes, and the lobes are ovate-lanceolate. The nightshade has a scorpion tail inflorescence with more flowers, up to 10. The corolla color is white like the former, and the lobes are oval.