Dendrobium collinsii
A tiny clump-forming epiphyte, formerly Cadetia collinsii, with short cylindrical stems each carrying one dark green leaf and small white self-pollinating flowers that barely open. It is confined to the eastern slopes of the McIlwraith, Janet and Iron Ranges on Cape York, where it grows on small trees in lowland to foothill rainforest with a hot wet summer and a long drier winter.
Where it grows wild
Grows in clusters on the branches and trunks of small trees on ridges, slopes and in gorges in tropical rainforest on the eastern side of the Cape York ranges. These are warm, humid forests where the dry season is softened by cloud and onshore trade winds, but the hosts on ridges are relatively open and breezy.
The few records with an elevation sit between about 30 and 400 m (median 300 m), i.e. lowland to foothill forest; no source gives a stated altitudinal range.
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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.