no HD illustration available (m2)
2 679177 Monotagma laxum (Poeppig & Endl.) Schumann [80 177330 Calathea laxa Poeppig & Endl.]
H.G.A. Engler, Pflanzenr., vol. 48 [Heft 11], (Marantaceae): p. 157, fig. 20 F (1902)