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A–B. Holcoglossum amesianum. A, adaxial, tetracytic; B, abaxial, brachyparacytic and laterocytic 1+2. C–D. H. subulifolium. C, adaxial, tetracytic and brachyparacytic; D, abaxial, tetracytic. E–F. H. kimballianum. E, adaxial, tetracytic; F, abaxial, tetracytic. G–H. H. wangii. G, adaxial, tetracytic; H, abaxial, tetracytic. I. Papilionanthe biswasiana, brachyparacytic and laterocytic 1+2. B–I have the same scale bars as in A.
