Appendicula maneauensis Ormerod, drawing by Paul Ormerod in Malesian Orchid J. 13 (2014) 46, fig. 6, based on L.J. Brass 23223 (holo AMES).
Type: L.J. Brass 23223 (holo AMES).
Epiphytic herb. Rhizome short. Roots terete, pubescent, to 0.1 cm thick. Stems caespitose, pendent, terete, leafy throughout, 18.5–100 by up to 0.05 cm thick. Leaves oblong to oblong-lanceolate, 1.1–1.5 by 0.37–0.6 cm; leaf sheaths tubular, smooth, the apex opposite the leaf lamina with a 0.15–0.20 cm long V-shaped sinus, exposed part 0.35–0.5 cm long; apex with a 0.05 cm long mucro. Inflorescences axillary and pseudoterminal, 2.6–4.8 cm long; peduncle 0.4–1,3 cm long, without scales but occasionally with a disjunct leaf present; rachis flexuous to fractiflex, laxly successively-flowered, 2.2–4.2 cm long; floral bracts ovate to ovate-lanceolate, with acute apex, 3-nerved, 0.35 by 0.15 cm, lower floral bracts in pseudoterminal racemes often subfoliaceous, to 1.4 cm long. Pedicel and ovary clavate, c. 0.25 cm long. Median sepal ovate-lanceolate, 0.27 by 0.15 cm; apex obtuse; 3-nerved. Lateral sepals ovate-elliptic; midnerve low keeled, 0.4 by 0.2cm (upper free margin 0.26 cm long), subglobose; apex obtuse; apex obtuse; 2–3-nerved; mentum 0.15–0.2 cm long. Petals obliquely ligulate-lanceolate, 0.25 by 0.08 cm; apex obtuse, 1-nerved. Lip ovate-lanceolate, c. 0.4 by 0.17 cm; callus , fleshy, elliptic-subpandurate, broadly concave-canaliculate, its base retrorse, 0.09 cm tall at the base, c. 0.17 cm wide at the apex; apex obtuse-truncate, deflexed; 3–5-nerved. Column stout, conical, c. 0.18 cm long (including the rostellum of c. 0.12 cm long); anther cap ovate.