Compilation
Eulophia bieleri

Terrestrial herb 40–80 cm high.Pseudobulbs 4–15 cm long and up to 2.5 cm wide, narrowly ovoid to fusiform, very slightly compressed, forming clumps.Roots fleshy, 3–4 mm in diameter.Leaves 2 (rarely 1), petiolate; petiole 6–17 cm long, irregularly articulated; lamina 10–26 × 3–8 cm, longer than the petiole, narrowly elliptic or ovate-elliptic, acute or acuminate, undulate on the margins, dark glossy green.Inflorescence erect, 16–30 cm long, simple or with 1–2 short branches, several- to many-flowered.Pedicel and ovary 12–18 mm long, slender, red-brown; bracts 2–8 mm long, narrowly ovate-elliptic, with a basal extra-floral nectary.Sepals and petals greenish-yellow with 3–5 purple veins; lip pale yellow or greenish-cream with purple veins on the side lobes; calli cream; spur red-brown; column green with a yellow anther.Sepals 8.5–14 × 3–5 mm, narrowly oblong or obovate-oblong, obtuse, the lateral sepals usually slightly longer than the dorsal sepal.Petals 8–13 × 4.5–7 mm, ovate, obtuse, curving forwards.Lip 10–15 mm long, 3-lobed, the mid-lobe 8–12 × 7–14 mm, deeply divided into 2 oblong or oblong-orbicular lobules; side lobes ± orbicular, erect or spreading; disk papillose, callus with 2 fleshy keels, shortly pubescent at the mouth of the spur and at the apex; spur 4–6 mm long, cylindrical, obtuse.Column 4 mm long, 2 mm broad, with a short foot.