Plant in garden

Plant in garden

Observation - Plant in garden. Description: Plant growing in the wild patch of the garden. Approximately 40cm tall, with alternate leaves going around a thin round stem. Flower has 5 petals. Any help in identifying this plant would be appreciated.

Plant growing in the wild patch of the garden. Approximately 40cm tall, with alternate leaves going around a thin round stem. Flower has 5 petals. Any help in identifying this plant would be appreciated.