Line drawing of Solanum kollastrum. A habit with notably dense prickles, leaves lacking secondary lobes and internodal inflorescences B detail of the prickly inflorescence with a hermaphrodite flower at anthesis C detail of a dissected flower D detail of the fruits enclosed by the strongly accrescent fruiting calyces (with the uppermost fruiting calyx opened to expose the fruit) from Gouvêa 102 (BHCB).