Begonia thomsonii A.DC., Ann. Sci. Nat., Bot. IV, 11: 134 1859. ;
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Darjiling to Myanmar: Assam, Bangladesh, East Himalaya, Myanmar as per POWO;
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Succulent herb; stems short, subwoody, covered with scale leaves, densely pubescent. Leaves simple, alternate; stipules persistent; petioles ca. 3-12 cm long, hispid; lamina ca. 7-19 x 5.5-9 cm, ovate, symmetric, obliquely cordate at base, acuminate at apex, denticulate to entire along margins, puberulous to pubescent on both the surfaces. Inflorescences peduncled; peduncles both axillary and terminal, hairy, 4-6 cm long; cymes usually few-flowered, medium sized, densely pubescent; bracts present; Male flowers: tepals 2 + 2, the 2 outer ovate, the 2 inner narrowly obovate; stamens 50, scarcely monadelphous; Female flowers: outer tepals pubescent, inner gradually smaller; ovary 2-celled. Capsules recurved in fruit with a decurrent wing, dehiscing by four lines on either sides of the two narrow wings. Seeds ellipsoid to ovoid, brown.
Flowering & Fruiting: August-October
(Attributions- French Institute of Pondicherry as per India Biodiversity Portal)
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MS,Oct.,2021/49 Begonia sp. for id.: 2+ 1 images.
Place : Marpara
Date : 13-10-2021
Habit : Herb
Habitat : Collected from the forest and planted in the pots.
May I request you to pl. post high res. images.
Having reconsidered, I think this is a variegated form of B. thomsonii
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MS, Oct.,2021/18 Begonia sp. for id.: 2:
Location : Marpara
Date : 05-10-2021
Habit : Herb
Habitat : Wild
B. thomsonii
MS,July,2022/02 Begonia sp. for id: 1 very high res. image.
Location : Aizawl, Mizoram (collected from Marpara and planted in pot)
Pl. check at https://efloraofindia.com/2011/02/09/begonia/
Begonia thomsonii
I guess it looks different.
I think B. thomsonii is a good det for this
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References:
POWO Catalogue of Life The Plant List Ver.1.1 WCSP IPNI GBIF (High resolution specimens) India Biodiversity Portal IBIS Flora (Flora of British India) Research Gate