A revision and one new species of Begonia L. (Begoniaceae, Cucurbitales) in Northeast India
Author
Camfield, Rebecca
Author
Hughes, Mark
text
European Journal of Taxonomy
2018
2018-01-19
396
1
116
journal article
22365
10.5852/ejt.2018.396
2b95a851-e1bf-4bdd-9cce-441ddc4135d2
3787049
Group 4
– Leaves linear to lanceolate, entire to denticulate (
Fig. 3B
)
1. Plant small, up to
20 cm
high, stipules
5–7 mm
long, flowers with striped outer tepals ................... .................................................................................
B. hatacoa
var.
meisneri
(C.B.Clarke) Golding
– Plant large, up to
2 m
high, stipules
5–15 mm
, tepals not striped .................................................... 2
2. Plant pendent, petioles <
2 cm
, peduncles branching many times, peduncle>
3 cm
long, 20–40 stamens connective not extended, styles 2, fruit with 1 enlarged wing ............................................ 3
– Plant erect, petioles
2–10 cm
long, peduncles branching only a few times, peduncle <
3 cm
, around 60 or more stamens with connectives extended, styles 3–4, fruit wingless or ridged ..................... 4
3. Leaves
2–4 cm
wide, male flowers with 4 tepals, pedicel on female flower
1 cm
............................ .............................................................................................................
B. griffithiana
(A.DC.) Warb.
– Leaves
4–11 cm
wide, male flowers with 2 tepals, pedicel on female flower
2–3 cm
...................... ..............................................................................................................
B. nepalensis
(A.DC.) Warb.
4. Plant monoecious, styles 3, fruit spherical, with 3 locules ................................
B. longifolia
Blume
– Plant dioecious, styles 4, fruit rhomboid, with 4 locules .....................................
B. acetosella
Craib