A review of purdieanthus and lehmaniella, two endemic colombian genera of gentianaceae, and biographical notes on purdie and lehmann

The genus Lisianthus as construed by A. H. R. Grisebach in 1839 comprised five sections, as follows: Macrocarpaea, Choriophyllum, Chelonanthus, Helia, and Calolisianthus. The same sectional treatment of the inclusive genus Lisianthus was maintained in his contribution to De Candolle's Prodromu...