识别要点：The new species similar to C. tracyanum L.Castle but differs in having yellow-green flowers with dark purple-red spots on veins, oblong- elliptic sepals, lip side lobes with reddish-brown hairs along the veins and disc composed of three purple-red lamellae with long, purple-red hairs.
形态特征：Epiphytic and lithophytic herbs. Pseudobulbs ellipsoid-ovoid or oblong-ovoid, 5–11 × 2–5 cm, mostly enclosed in persistent leaf bases. Leaves 4–7, lorate, 52.0–73.0 × 2.2–2.8 cm, apex acute, articulated 6–10 cm from the base. Scape arising from within the sheaths at the base of the pseudobulb, arching or suberect, 60–82 cm long; inflorescence with 7–9 flowers; floral bracts ovate-triangular, 3–5 mm long; pedicel and ovary 4–6 cm long; flowers 10–12 cm across, fragrant; sepals and petals yellowish green to olive-green, with many dark red-brown spots on veins; lip pale yellow with dark red-brown veins on the side lobes and vertical lines and scattered spots of the same colour on the midlobe; dorsal sepal oblong-elliptic, 5.2–5.4 × 1.8–2.2 cm, apex acute; lateral sepals oblique and twisted, 5.2–5.4 × 1.8–2.2 cm; petals falcate, 5.5–5.8 × 1.1–1.2 cm; lip ovate-elliptic in outline, 4.5–5.0 cm long, trilobed, base fused to the basal margins of the column for 4–5mm; side lobes erect, long-ciliate, with reddish brown hairs along the veins; midlobe elliptic, recurved, adaxially scatteredly hairy and with long suberect hairs 5–6 mm long on the lamellae; disc with three lamellae with long, purple-red hairs; column 3.5–4.0 cm long, arcuate, margins winged, ventrally minutely papillose below the middle; pollinia 2, deltoid, cleft, 3–4 mm long. Capsule ellipsoid, 7–8 cm long, 3–4 cm in diameter.
