1、 Blade difference

Yellow fruit eggplant has single leaves and alternate leaves. The leaves are oval oblong, about 4-6 cm long and about 3-4.5 cm wide. The apex is blunt or sharp, the base is subcordate or oblique, and the edge is deeply divided

The leaves of Solanum spinosum are ovate, about 5-7 cm long and about 2.5-5.2 cm wide. The apex is blunt, the base is heart-shaped or truncated, and the edge has light round cracks. The upper color is green and pubescent, and the lower part is grayish green and villous

2、 The difference between flowers

Yellow fruit eggplant is a cyme, born outside the axil. Usually, it has 3-5 flowers, the calyx is bell shaped, there are small thorns outside, the Corolla is radial, the color is blue purple, the lobes are oval triangle, the ovary is oval and round, and the style is slender

The nightshade is a scorpion tail inflorescence, the color of the flowers is also blue purple, a few are white, the calyx is cup-shaped, the lobes are oval, and the ovary is oblong and ribbed

3、 Fruit difference

The yellow fruit eggplant is spherical. At the initial stage, the fruit is green and has dark green stripes. After maturity, it will turn light yellow. The thorn day eggplant is orange red when mature