Lysimachia fortunei (species of loosestrife)
Rare botanical term for a specific species of loosestrife; also known as 沼虎の尾 (ぬまとらのお).
See also: ヌマトラノオ
沼萩は湿地に生える多年草で、夏に白い花を咲かせる。
Lysimachia fortunei is a perennial plant that grows in wetlands and produces white flowers in summer.
Compound of 沼 (ぬま, 'swamp') and 萩 (はぎ, 'bush clover'), referring to a plant found in marshy areas. The exact derivation is uncertain.