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 : 7

publication ID

https://doi.org/ 10.5852/ejt.2018.396

DOI

https://doi.org/10.5281/zenodo.3794333

persistent identifier

https://treatment.plazi.org/id/0397A96F-2F6B-FFD1-02E2-FEBDE57D2B87

treatment provided by

Valdenar

scientific name

Begonia
status

 

Group 1 View in CoL – Leaves scalloped, lobed or incised ( Fig. 2A View Fig )

1. Leaves peltate .......................................................................................................... B. josephi View in CoL A.DC. – Leaves basifixed ................................................................................................................................ 2

2. Leaves deeply incised up to ¾ of way to petiole base ...................................................................... 3 – Leaves scalloped, lobed or shallowly incised up to ¼ of way to petiole base .................................. 6

3. Plant with main stem, leaves rarely over 20 cm long, inflorescence from leaf axils ........................ 4 – Plant stemless, leaves at least 20 cm long, inflorescence from rhizome ........................................... 5

4. Plant up to 100 cm high, generally hirsute, petiole 10–30 cm long, flowers and fruit red setose ..................................................... B. difformis (Irmsch.) W.C.Leong, C.I Peng & K.F.Chung View in CoL

– Plant up to 200 cm high, generally glabrous, petiole 5–15 cm long, flowers and fruit glabrous ................................................................................................................ B. sikkimensis View in CoL A.DC.

5. Petiole with sparse hairs, lobes branched with acuminate tips, male flowers with 4 tepals, female flowers with 4–6 tepals, main wing up to 3 cm long, oblong side wings 3–5 mm long that do not extend along pedicel .......................................................................... B. koelzii R.Camfield View in CoL sp. nov.

– Petiole with dense hairs, lobes linear with caudate tips, male flowers with 2 tepals, female flowers with 2 tepals, main wing up to 2 cm long, curved side wings 1–2 mm long that extend along pedicel ........................................................................ B. shilendrae Rekha Morris & P.D.McMillan View in CoL

6. Stem, petioles and tepals glabrous .................................................................................................... 7 – Stem, petioles, and tepals with hairs ................................................................................................. 8

7. Leaves broadly dentate (scalloped), anther connective not extended, styles 2 .. B. megaptera View in CoL A.DC. – Leaves acutely dentate, anther connective extended, styles 3 ......................... B. sikkimensis View in CoL A.DC.

8. Stipules <15 mm long, flowers yellow, styles 3, fruit capsule <1 cm long ..... B. flaviflora H.Hara View in CoL – Stipules> 15 mm long, flowers white to pink, styles 2, fruit capsule> 1 cm long .......................... 9

9. Leaf upper surface hispidulous on veins only, outer tepals red setulose on reverse, fruit capsule red setulose, longest wing curved and up to 3 cm long ............................................................................ ................................................................ B. difformis (Irmsch.) W.C.Leong, C.I Peng & K.F.Chung View in CoL

– Leaf upper surface hirsute/strigose or verrucose all over, outer tepals tomentose on reverse, fruit capsule glabrous or with tomentose, longest wing oblong and up to 2 cm long .. B. palmata D.Don View in CoL

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