Begonia picta
A small tuberous Himalayan begonia that dies back each winter to a pea-sized tuber and grows through the summer monsoon. It has one or two hairy, heart-shaped leaves 5–8 cm long and pink flowers in August and September. In the wild it grows on mossy, wet rocks and banks in shade by streams and on slopes, so at home it needs a cool, very humid, shaded summer and a dry winter rest.
Where it grows wild
Forest margins and shaded, moist rocks by streams and on slopes. Herbarium labels describe it on mossy rock or soil, wet rock faces and walls, rock cracks in very moist gullies, and schistose outcrops in deep shade among wet moss; occasionally on sunnier roadside rocks.
Flora of China gives 2,200–2,900 m in Tibet. Across the range, 30 GBIF records with elevations run mostly from about 1,050 to 3,000 m, with a median of about 1,700 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 Public domain licence, unmodified.