Begonia chenii Y.H.Tan, M.B.Maw & H.B.Ding, sp. nov. (photographed by H.B. Ding and Y.H. Tan) A habitat B leaves (back view) C inflorescence D staminate flower showing 6 tepals E pistillate flower F infructescence showing monoecious G infructescence showing stigmas H staminate flower showing variation of 4, 5, 6 tepals I tepals of staminate flower J androecium K tepals of pistillate flower L ovary and stigma M ovary (3-winged) N ovary (4-winged) O–P serial cross section of ovary (locules 4) Q serial cross section of ovary (locules 4 and wingless) R serial cross section of ovary (locules 3).