Solanum ptychanthum
is an annual plant, originating in North America, that has become
naturalized in various regions. It closely resembles another
species,
Solanum nigrum,
but the
stems are slender and spread sideways by
dividing into many branches. Generally, leaves are narrow and thin.
Light purple or white flowers measure 2-5mm in diameter. Sap fruit,
petite, mature in bright black. Bloom time: July-September.
Wild plants in and around Shimane
島根とその周辺の野生植物