It is an erect shrub with egg-shaped to lance-shaped leaves and pale lavender-purple flowers.

Flowering occurs throughout the year with a peak from July to October, and the fruit is an oval to egg-shaped berry 15–20 mm (0.59–0.79 in) long.

[2][3][4][5] This species was first formally described in 1859 by Ferdinand von Mueller who gave it the name Solanum fasciculatum in Fragmenta Phytographiae Australiae from specimens collected near the Phillips River.

[6][7] Mueller's name was illegitimate because it had already been used for a different species (Solanum fasciculatum Vell., now known as Athenaea fasciculata).

[9] The specific epithet (symonii) honours David Eric Symon.