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
Stems not swollen, usually branched. Leaves not clustered
Leaves with obtuse tips. Stems creeping
Leaves corrugated above, ovate, 2–3 cm long. Perianth white with faint purple. Flowers numerous in racemes 6–12 cm long. Coast to Blue Mts On rocks. Fl. Aug.–Nov. Tongue Orchid or Button Orchid Dendrobium linguiforme
Leaves tuberculate, resembling small gherkins. Perianth yellowish white or greenish white with red, 3 cm diam. Burragorang Valley. Usually on trees. Fl. chiefly late summer. Cucumber Orchid Dendrobium cucumerinum