Dendrobium Sw.

Pseudobulbs elongate, jointed (Fig. 44). Labellum 3-lobed Dendrobium

Leaves not terete thin to leathery, conduplicate, Stems swollen for at least part of their length. Flowers usually resupinate ie labellum lower most in flower

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Stems swollen, not branched. Leaves clustered

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Stems thickest above the base

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Upper part of stems swollen, square in cross-section; lower part thin and wiry. Perianth green to deep yellow

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Upper part of stem circular in cross-section; lower part not thin and wiry