2n = 40

2n = 40

Plant at fl. to 50 cm. tall. Lf to 2 cm. wide, channelled, thick and heavy, sheathing high up stem. Infl. to c. 12-fld. Per. c. 9–13 mm. long, blue, without stripes or spots. Sepals, petals and labellum similar, narrow-obovate. Column-arms flattened, ± channelled, with yellow fringes and cilia from margins, each arm projecting from inner face of side lobule, us. standing taller than anther; post-anther lobe not as tall as anther, erect, margins yellowish red and ± thickened into finger-like calli; side lobules taller than anther, pinkish or yellowish, fleshy, with subulate erect points on margins and similar or more elongate tubercles on surface.