Botany
Jacobaea erucifolia, the hoary ragwort is a species of flowering plant in the genus Jacobaea and the family Asteraceae. It is a perennial or rhizomatous geophyte native to temperate Eurasia, ranging from Europe to Siberia, Turkey, Iran, Central Asia, Mongolia, China, and Japan. Three subspecies are accepted. Jacobaea erucifolia subsp. argunensis (Turcz.) Veldkamp – southeastern Siberia, China, Mongolia, Korea, and Japan Jacobaea erucifolia subsp. erucifolia – Europe, Siberia, Turkey, Iran, Central Asia, and Mongolia Jacobaea erucifolia subsp. tenuifolia (J.Presl & C.Presl) B.Nord. & Greuter – France to Germany, Italy, the northern Balkans, and Ukraine
Calycanthus floridus.
Croton (plant).
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