![Persian violet, Exacum macranthum. Critically endangered. Handcoloured lithograph from Louis van Houtte and Charles Lemaire's Flowers of the Gardens and Hothouses of Europe, Flore des Serres et des Jardins de l'Europe, Ghent, Persian violet, Exacum macranthum. Critically endangered. Handcoloured lithograph from Louis van Houtte and Charles Lemaire's Flowers of the Gardens and Hothouses of Europe, Flore des Serres et des Jardins de l'Europe, Ghent,](https://c8.alamy.com/comp/P7F3PJ/persian-violet-exacum-macranthum-critically-endangered-handcoloured-lithograph-from-louis-van-houtte-and-charles-lemaires-flowers-of-the-gardens-and-hothouses-of-europe-flore-des-serres-et-des-jardins-de-leurope-ghent-belgium-1856-P7F3PJ.jpg)
Persian violet, Exacum macranthum. Critically endangered. Handcoloured lithograph from Louis van Houtte and Charles Lemaire's Flowers of the Gardens and Hothouses of Europe, Flore des Serres et des Jardins de l'Europe, Ghent,
![Unravelling the species diversity, phylogeny and biogeography of the mycoheterotrophic Voyrieae (Gentianaceae) and the description of a new species - Gomes - 2022 - TAXON - Wiley Online Library Unravelling the species diversity, phylogeny and biogeography of the mycoheterotrophic Voyrieae (Gentianaceae) and the description of a new species - Gomes - 2022 - TAXON - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/23192637-c616-48c3-beef-a500986fdcce/tax12765-fig-0004-m.jpg)
Unravelling the species diversity, phylogeny and biogeography of the mycoheterotrophic Voyrieae (Gentianaceae) and the description of a new species - Gomes - 2022 - TAXON - Wiley Online Library
![Sclerocarpus uniserialis and Exacum macranthum - circa 1854 | Botanical prints, Botanical illustration, Botanical flowers Sclerocarpus uniserialis and Exacum macranthum - circa 1854 | Botanical prints, Botanical illustration, Botanical flowers](https://i.pinimg.com/originals/16/03/a9/1603a9e77eeb2e4b826433c45e4ae671.jpg)