2 Free Artworks of Silphium Terebinthinaceum

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taxonomy:family=asteraceaesmithsonian libraries
Stately Silphium, prairie dock. Silphium terebinthinaceum. Perennial plants form green buds which unfold into large, yellow, attractive flowers. Grows up to 9 feet tall, with leaves 18 inches long and 1 foot wide. The American flora, volume 4 (1855)
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