Begonia

Camfield, Rebecca & Hughes, Mark, 2018, A revision and one new species of Begonia L. (Begoniaceae, Cucurbitales) in Northeast India, European Journal of Taxonomy 396, pp. 1-116 : 8

Group 3 – Leaves lanceolate, dentate and very asymmetric ( Fig. 3A )

1. Leaves> 15 cm long, flowers white ................................................................................................. 2 – Leaves <15 cm long, flowers usually pink ..................................................................................... 3

2. Plant with red hirsute hairs, fruit 2-locular, covered in red hairs ..................... B. cathcartii Hook. f. – Plant with puberulous hairs, fruit 3-locular, glabrous ......... Begonia × chungii C.I Peng & S.M.Ku

3. Leaves deltoid, male flowers with over 10 stamens .............................. B. lushaiensis C.E.C.Fisch. – Leaves lanceolate, male flowers with less than 10 stamens ............................ B. pedunculosa Wall .

Figures

Fig. 3. Leaf tracings. A. Group 3: lanceolate, dentate and very asymmetric leaves. B. Group 4: linear to lanceolate, and entire to denticulate leaves.