Paphiopedilum concolor
A small, mottled-leaved slipper orchid (subgenus Brachypetalum) from limestone karst in southern China, Vietnam, Thailand, Myanmar, Laos and Cambodia. It grows in humus-filled crevices and ledges on limestone, often near the tops of karst hills, and carries one or two cream to pale yellow flowers finely dotted with purple. It needs warm, humid conditions, moderate light and a free-draining, slightly alkaline mix. It resents stale, soggy media.
Where it grows wild
Crevices and ledges of limestone karst, in pockets of leaf litter and humus over rock. Herbarium labels read 'crevices of rock', 'limestone mountain, primary forest' and 'top of limestone mountain, or near top under canopy or open place', so it grows both under a thin canopy and on more open rock faces.
Mostly lowland: wild records with elevations fall between about 225 m and 650 m, and Wikipedia gives most populations below 300 m with a few above 1,000 m.
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The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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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. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.