An indigo plant (Indigofera stachyoides): flowering stem and floral segments. Coloured engraving by G. Barclay, c. 1843, after S. Drake.
- Drake, S. A., active 1830-1840.
- Date:
- 1 March 1843
- Reference:
- 25853i
Licence: Public Domain Mark
Credit: An indigo plant (Indigofera stachyoides): flowering stem and floral segments. Coloured engraving by G. Barclay, c. 1843, after S. Drake. Wellcome Collection. Source: Wellcome Collection.