| Pseudobulb | obclavate, green (90%), purple (10%), 2 nodes | terete, purple (90%), green (10%), 3 nodes | fusiform, green, 3 nodes | globose-piriform, purple, 2 nodes |
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| Leaf | green, lanceolate, curved | green, elliptic, upright | green, elliptic | spotted purple, elliptic, curved |
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| Petals and sepals | yellow, whitish at base | uniformly yellow | uniformly golden yellow | uniformly yellow |
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| Flower diameter | 2.5‒3.0 cm | 2.3‒3.2 cm | 3.5‒6.1 cm | 3.5‒4.5 cm |
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| Carinas | 4, low throughout., the 2 external disappearing at the junction with the median lobe. Reddish violet at the base, then white until the junction with the middle lobe, and yellow until the apex | 4, the 2 external higher and disappearing at the junction with the median lobe. Reddish-brown at the base, then yellow | 4, low throughout, the 2 external disappearing at the junction with the median lobe. Reddish-brown at the base then yellow | 4, the 2 external very tall and disappearing at the junction with the median lobe. Reddish violet at base, then yellow |
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| Disk of labellum | yellow, with large white area at base | uniformly yellow | Uniformly golden yellow, with lighter yellow area at the base in some individuals | yellow, with very small white area at base in rare individuals |
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| Column Profile and color | triangular, yellowish green | rectangular-falcate, yellowish-green | triangular falcate, yellow | rectangular-falcate, yellowish-green with violet areas at the base |
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| Column base calluses | discreet, yellowish-green | discreet, yellowish-green | patent yellow | patent, dark violet |
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| Flowering | summer | summer | spring | winter |
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