Photo: Silphium laciniatum.

Flower. Helsinki bot.g. (Kaisan.), Finland. Planted. 2004-08-24.
Silphium laciniatum L. Engl.: compass plant, rosin weed. Deu.: Kompasspflanze. Suom.: liuskakompassikukka. Bot. syn.: Silphium gummiferum Ell.
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Photo: Silphium laciniatum.