1. Tropical herb having orange-red flowers followed by pods suggesting a swallow with outspread wings; a weed throughout the tropics
   - blood flower, Asclepias curassavica 
2. Perennial herb with branched woody stock and bright yellow flowers
   - celandine, greater celandine, swallow wort, Chelidonium majus

Derived forms: swallowworts, swallow worts

Type of: milkweed, poppy, silkweed

Part of: Chelidonium, genus Chelidonium

Encyclopedia: Swallowwort

• cast-iron
• cast-iron plant
• cast-off
• Castanea
• Castanea chrysophylla
• Castanea crenata
• Castanea dentata
• Castanea mollissima
• Castanea ozarkensis
• Castanea pumila
• Castanea sativa
• castanets
• Castanopsis
• Castanopsis chrysophylla
• Castanospermum
• castaway
• caste
• caste system
• casteless
• castellan
• castellated
• castellation
• caster
• caster sugar
• castigate