Dendrobium cadetiiflorum J.J.Sm., Nova Guinea 18 (1935) 54, pl. 11, 34.
Type: Docters van Leeuwen 10261 (holo L).
Stems slender, terete, in upper part slightly flexuose, rooting in basal part, 75 cm by 2-2.5 mm, internodes 1.7-2.8 cm long. Leaf sheaths as long as the internodes, covered with dark brown hairs. Leaves linear, slightly narrowing towards the apex, 3.5-5.5 by 0.34-0.5 cm, thin coriaceous, when young sparsely covered with blackish hairs, later becoming almost glabrous, apex unequally obtusely triangular-bilobulate. Inflorescences laterally from the stems, 1-flowered, very short. Pedicel 0.1 cm long; ovary 0.3 cm long. Flower c. 1 cm long. Dorsal sepal 0.7 cm by 3 mm; mentum 0.2 cm long, obtuse. Petals 0.7 cm by 1.2 mm. Lip 3-lobed, when flattened 1 by 0.44 cm, at the base adnate to the column-foot for 0.25 cm; midlobe 0.55 by 0.65 cm, very fleshy. Column 0.2 cm long; column-foot saccate, 0.2 cm long.
(after Smith, 1935).
Colours: Flower very light yellow.
Habitat: Terrestrial in thin-stemmed lowland forest. Altitude 150 m.
Flowering time in the wild: September.
Distribution: New Guinea (endemic).
Distribution in New Guinea: Papua (Paniai Regency).
Notes: Dendrobium cadetiiflorum is rather similar to Dendrobium melanotrichum.
Cultivation: Warm growing terrestrial, keep in shade.