There were 11 illustrations found for epithet trullus,-a,-um
 
310046 337125 Dichaea trulla Rchb.f. C.F.P. von Martius, A.G. Eichler, I. Urban, Fl. Bras., vol. 3(6): fasicle 129, (Orchidaceae, tribus XVIII - XXII, addenda et emendanda): t. 101 (1906)