swallow wort

(noun) perennial herb with branched woody stock and bright yellow flowers. Synonyms: celandine, greater celandine, swallowwort, swallow wort, Chelidonium majus.

(noun) tropical herb having orange-red flowers followed by pods suggesting a swallow with outspread wings; a weed throughout the tropics. Synonyms: blood flower, swallowwort, Asclepias curassavica.