Habitat and morphology of Begonia guangdongensis A, B habitat C habit D petiole E close up of petiole F view of abaxial surface of leaf G view of adaxial surface of leaf H close up of adaxial surface of leaf I rhizome J inflorescences K view of adaxial surfaces of staminate and pistillate flower L view of abaxial surfaces of staminate and pistillate flower M androecium N styles and stigmas O immature capsule P cross section of ovary in the middle part Q dry bract R dry stipule.