Ania penangiana (Hook.f.) Summerh., Bot. Mag. 161 (1939) sub t. 9553
Type: Maingay (Kew Distr. 1642) (holo K; iso L)
Pseudobulbs erect, conical-ovoid to fusiform, consisting of several internodes. 2.5–5 by 0.4–2.5 cm. Leaves 20.5-53 by 1.5–6.8 cm, thin; petiole 6.5–35.8 cm long, articulate; blade (narrowly) oblanceolate to lanceolate, 13.5–47.9 by 1.5–6.8 cm; apex acute to acuminate. Inflorescence from a node, 5- to 17-flowered, 44–130 cm long; rachis 8.2–55 cm long; floral bracts 3–15 mm long. Pedicel and ovary 0.9–1.7 cm long. Median sepal narrowly lanceolate, 17.5–24.5 by 0.3–0.4 cm; apex acute to acuminate. Lateral sepals obliquely to falcately (ob)lanceolate-linear, 17–24.5 by 0.32–0.4 cm; apex acute to acuminate. Petals falcate, narrowly oblanceolate, 16–22 by 0.28–0.38 cm; apex acuminate. Lip 3-lobed, when flattened 1.1–1.8 by 0.6–1 cm, 1.3–1.8 times as long as wide; spur (0.15–)0.2–0.4 cm long; mid-lobe (rhombic-)orbicular, subacuminate, 0.5–0.68 by 0.5–0.69 cm; margin entire and slightly undulating; side lobes rounded to obtuse, 3–3.5 mm long (measured along front edge); keels 3, starting from (near) its base, terminating on the mid-lobe; all straight or very nearly so, entire, somewhat lamella-like in their central and sometimes distal part. Column c. 1 cm long, with a 0.05–0.2 cm long column foot.
(after Turner 1992)