
Ascoglossum calopterum (Rchb.f.) Schltr., habit, photo P. Jongejan, based on Jongejan 1461, from Papua New Guinea

Ascoglossum calopterum (Rchb.f.) Schltr., inflorescence, partial, photo E.F. de Vogel, from Port Moresby cult., Raka

Ascoglossum calopterum (Rchb.f.) Schltr., flowers, various views, photo E.F. de Vogel, from Port Moresby cult., Raka

Ascoglossum calopterum (Rchb.f.) Schltr., habit, drawing Marasigan, Aguilar, Castelo, and Ico in Philipp. J. Sci. 59 (1936) pl. 5, fig. 1

Ascoglossum calopterum (Rchb.f.) Schltr., floral analysis, drawing Marasigan, Aguilar, Castelo, and Ico in Philipp. J. Sci. 59 (1936) pl. 5, fig. 2-10

Ascoglossum calopterum (Rchb.f.) Schltr., drawing J.J. Smith, based on L. Schmid cult. s.n. (ex Halmahera)