Vincetoxicum hirundinaria

[2] The Latin species name hirundinaria (from hirundo, meaning swallow) and the common name white swallow-wort refer to its seedpods, that are reminiscent of a swallow's wing, or tail.

Fruits reach a length of about 5 cm and contain many seeds showing a tuft of white hairs.

[2] This species is native to cliffs and slopes, especially in calcareous soils, of continental Eurasia (including some Baltic islands).

[3] There are introduced populations in North America (Ontario, Michigan, and New York).

Vincetoxicum hirundinaria is a poisonous plant traditionally used in treating diseases and in magic.