Dendrobium epiphyticum
A large member of the Australian rock-orchid (Dendrobium speciosum) complex, described in 2006 as Thelychiton epiphyticus and known only from the Illawarra and Southern Highlands escarpment of New South Wales between Robertson and Cambewarra. It forms clumps of cylindrical to tapering green-yellow pseudobulbs with three to five leathery leaves and carries sprays of 20–50 cream to pale yellow flowers in spring. In cultivation treat it like other speciosum-type rock orchids: bright light, a cool, drier winter and a generous summer growing season.
Where it grows wild
An epiphyte on trees, and sometimes a lithophyte on rock, in moist forest and rainforest, including cliffs near waterfalls. Unlike typical D. speciosum, which is mostly a rock plant, this form usually grows on trees.
No elevation data were available. The Robertson–Cambewarra escarpment runs from near sea level to about 750 m, so plants probably grow in the lower to middle part of that range, in sheltered gullies.
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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.