Blackberry nightshade
Solanum nigrum
Solanaceae
Medicinal
Blackberry nightshade is a common weed of crops, pastures, orchards, vineyards, roadsides, gardens and disturbed sites. Blackberry nightshade thrives under moist warm fertile conditions with full or partial sunlight. It competes heavily with horticultural and agricultural crops for water, light and nutrients. A study showed that blackberry nightshade was highly allelopathic with a number of plants.
Blackberry nightshade hosts a range of insect pests, diseases, nematodes, bacteria, fungi and viruses detrimental multiple crops. It is a known host of Green vegetable bugs. In a study undertaken in Cameroon, flower insect visitations were monitored for Blackberry nightshade (Mamoudou). Honey bees were a dominant visitor, but other bee types were also observed, including bees related to the Blue banded bee found in Australia. Other insects included flies, ants, various types of wasps including a type of paper wasp, and butterflies.