Lathyrus quinquenervius; a species of vetchling
A specific plant species in the pea family; the name is used in botanical contexts.
Lathyrus quinquenervius is a perennial plant that grows in wetlands.
Katakana spelling is common for this plant name; usually written in kana.
Kanji spelling is rare; the word is usually written in kana.
The name likely derives from the plant's paired leaflets resembling a joined branch (連理), but the exact origin is uncertain.