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Keywords from Image Description:
Oncidium maizifolium as O. volvox Onc. cardiostigma Trichocentrum carthagenense as Onc. cart. Tr. cavendishianum as Onc. pachyphyllum Xenia vol pl . Illustration of Oncidium maizifolium as syn Oncidium volvox II Oncidium cardiostigma III Trichocentrum carthagenense as syn Oncidium carthagenense var oerstedii IV Trichocentrum