Three-cornered Leek

Allium triquetrum

Three-cornered Leek, also referred to as 'Three-cornered Garlic,' is an invasive non-native species that originated from the Mediterranean in the 18th century. Once it becomes established, the plant develops dense clumps, featuring white flowers with green lines on the petals that bloom atop three-sided stems. It is related to ramsons, exhibiting some similarities between the two species, including clusters of white flowers on long stems and a garlicky scent.