noun
Lathyrus quinquenervius; a species of vetchling
A specific plant species in the pea family; the name is used in botanical contexts.
レンリソウは湿地に生える多年草です。
Lathyrus quinquenervius is a perennial plant that grows in wetlands.
The name likely derives from the plant's paired leaflets resembling a joined branch (連理), but the exact origin is uncertain.