swallow-wort

noun9

1. •
   A plant of any of several species of plants whose parts are traditionally fancied as resembling a swallow's tail.
2. •
   The plants of the genus Vincetoxicum, especially Vincetoxicum nigrum (syn. Cynanchum nigrum, black swallow-wort) or Vincetoxicum hirundinaria (syn. Cynanchum vincetoxicum, white swallowwort).
3. •
   The plants of the genus Cynanchum.
4. •
   Chelidonium majus (greater celandine).
5. •
   Pattalias palustris (syn. Seutera angustifolia, Gulf Coast swallow wort).
6. •
   orange swallow-wort (Asclepias tuberosa)
7. •
   silky swallow-wort Asclepias syriaca
8. •
   Calotropis spp. (giant milkweed).
9. •
   Euphorbia maculata (spotted spurge).