Calanthe beleensis Ormerod & P.J.Cribb, Malesian Orchid Journal 8 (2011)43, fig. 1.
Type: Brass 11322 (holo AMES).
Terrestrial herb 35—80 cm tall. Leaves suberect, lanceolate, 3—4; basal ones reduced to sharp slender sheaths; upper 2—3 up to 60 by 2.5—3.2 cm, with acuminate apex; petiole 14—30 cm long, slender. Inflorescence densely many-flowered; peduncle up to 70 cm long, densely pubescent, bearing two small spreading to suberect, sheathing acuminate sterile scales; rachis 6—11 cm long, densely pubescent. Floral bracts narrowly lanceolate, 0.5—0.9 by 0.1—0.2 cm, densely pubescent; apex acuminate, densely pubescent. Flowers resupinate, sepals and petals reflexed. Pedicel-with ovary 0.6—0.7 cm long. Median sepal cucullate, narrowly elliptic, 0.6—0.65 by 0.2—0.25 cm; apex acute. Lateral sepals reflexed, slightly obliquely oblong-elliptic 0.6—0.65 by 0.2—0.25 cm; apex acute. Petals reflexed, obliquely narrowly oblong-elliptic 0.5—0.6 by 0.12—0.18 cm; apex acute. Lip slightly deflexed, 3-lobed 0.5—0.6 by 0.5—0.9 cm; lateral lobes spreading to slightly reflexed, oblong, 0.28—0.4 by 0.1—0.15 cm, with rounded apex; midlobe oblong to narrowly obtriangular, with deeply emarginate apex; callus consisting of three tapering rows of warts; spur clavate, more or less straight and rising above the ovary, 0.6—0.9 cm long. Column dilated abruptly from a narrower base ,0.3 cm long.
(after Cribb, Ormerod & Dudley 2011)