Photo: Heracleum mantegazzianum 00.

Closeup of seedhead. The sap of this one will give anybody a bad case of photosensitivity - first you get the sap on your skin, then you go out into the sun, then it starts to itch -and- hurt. Vantaa, Finland. Wild. 1992-06-01.

Heracleum mantegazzianum Sommier & Levier
Engl.: giant hogweed, cartwheel-flower, giant cow parsnip.
Deu.: Riesen-Bärenklau, Herkulesstaude, Kaukasischer Bärenklau, Mantegazzis Bärenklau.
Suom.: kaukaasianjättiputki.
Sven.: jätteloka, jättebjörnfloka, jättebjörnloka, jättefloka, kaukasisk björnloka, kaukasisk jättefloka.
Fran.: berce de Mantegazzi, berce du Caucase.
Ital.: panace di Mantegazzi.
Dutch: kaukasische bereklauw, reuzenbereklauw.
Bot. syn.: Heracleum giganteum Fisch. ex Hornem.