Png blue flowers guaiacwood with dark green leaves botanical sketch https://www.rawpixel.com/image/2611688/free-illustration-png-botanical-vintage-leavesView licenseGuaiacwood (Guaiacum officinale) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John… https://www.rawpixel.com/image/326704/free-illustration-image-guaiacum-officinale-botanical-lignum-vitaeFree Image from public domain licenseGuaiacwood (Guaiacum officinale( illustration from Medical Botany (1836) by John Stephenson and James Morss Churchill. https://www.rawpixel.com/image/327181/premium-illustration-psd-lignum-vitae-antique-botanicalView license