Dendrobium aethalodes Ormerod, Orchadian 15 (2007) 418, fig.
Type: L.J. Brass 12424 (holo AMES).
Epiphytic herb. Rhizome terete, strongly sclerified, covered in brownish sheaths which decay into fibrous remnants, 0.15- 0.3 cm thick. Roots terete, fleshy, 0.15-0.3 cm thick. Stems pendent, close together, terete, 45.7-49.1 by 0.09-0.17cm, lower third leafless, upper two-thirds laxly leaved; internodes 1-4.2 cm long, covered by leaf sheaths which are smooth and finely striate, older sheaths apparently becoming finely rugulose. Leaves linear-lanceolate, stiffly coriaceous, almost smooth to minutely transversely rugulose above, 5.5-8.6 by 0.35- 0.4 cm; apex unequally obtusely to acutely bilobed. Inflorescence emerging about halfway through the leaf sheath; peduncle terete, short, 0.1 5 cm long. Pedicellate ovary terete, shallowly sulcate, 0.5 cm long. Flowers fleshy. Median sepal oblong-elliptic, 0.7 by 0.4 cm; apex obtuse; 3-nerved. Lateral sepals somewhat transversely rectangular, 0.7 by 0.9 cm; apex obtuse; 7-nerved; mentum 0.6 cm long. Petals obliquely ligulate-subrhombic, 0.7 by 0.195 cm; apex subacute; 3- nerved. Lip when flattened obdeltate, 0.55-0.75-0.8 by 0.7-1.25 cm; lateral lobes obliquely trianguIar-subfaIcate with truncate front edge and subacute apex; callus oblong, thickly tricarinate, at each side of the base with a thick oblique extension onto the sides of the lip, obliquely truncate at base and apex. Column conical, 0.38 cm long (including anther cap); column foot 0.55-0.6 cm long. Capsule obovoid, 0.75 cm long.
(after Ormerod 2007)