This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
CalostemmaHOUTTE. Calostemma purpureum and Calostemma luteum Flore des serres et des jardins de Europe by Charles Lemaire and others Gand Gent Louis van Houtte volume plate Creator Louis van Houtte granted old age PDold Flore des serres et des jardins de Europe Calostemma luteum botanical illustrations Calostemma purpureum botanical