Begonia hemsleyana Hook.f.
This begonia is found in Southern China (Guangxi, Yunnan) and Northern Vietnam, in humid forests, at an altitude varying from 1.000 to 1.700 m.
It is dedicated to the English William Botting Hemsleyana of the Royal Botanic Gardens of Kew.
It is a rhizomatous begonia with erect stems whose leaves, green or green speckled with white, caulines, are palmate. The leaflets are lanceolate, oblong and attached by short petiolules. Flowers are usually bright pink, male flowers have four tepals while female flowers have five.
It can be cultivated indifferently in a temperature or cold greenhouse or outdoor (frost free), a maximum temperature between 16 and 18°C can be sufficient. Provide a well-drained soil and avoid excess water as well as direct sunlight.