Four opposing leaves on a single stem of Inula helenium

Four opposing leaves on a single stem of Inula helenium.. Color-printed woodblock engraving by Kan'en Iwasaki from Honzo Zufu, an Illustrated Guide to Medicinal Plants, 1884. Iwasaki (1786-1842) was a Japanese botanist, entomologist and zoologist. He was one of the first Japanese botanists to incorporate western knowledge into his studies

1786 1842 1786-1842 Botanist Botanists Color Printed Color-printed Entomologist Helenium Honzo Incorporate Inula Iwasaki Kanen Knowledge Medicinal Opposing Stem Studies Woodblock Zoologist Zufu

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