https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13966798![A tropical plant (Acokanthera spectabilis): flowering stem. Coloured lithograph by W. G. Smith, c. 1872, after himself.](https://images.rawpixel.com/image_social_landscape/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djeDZ6eTM2M3AtaW1hZ2UuanBn.jpg)
![A tropical plant (Acokanthera spectabilis): flowering stem. Coloured lithograph by W. G. Smith, c. 1872, after himself.](https://images.rawpixel.com/image_social_landscape/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djeDZ6eTM2M3AtaW1hZ2UuanBn.jpg)
A tropical plant (Acokanthera spectabilis): flowering stem. Coloured lithograph by W. G. Smith, c. 1872, after himself.
A tropical plant (Acokanthera spectabilis): flowering stem. Coloured lithograph by W. G. Smith, c. 1872, after himself.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use