One New Species and Four New Records of Begonia (Begoniaceae) From Bhutan

Abstract

Begonia menchunaensis P.Gyeltshen & M.Hughes is described from the cool broadleaved forest of Punakha District in Bhutan. It is assigned to Begonia sect. Diploclinium because it has a tuberous habit and bifid placentae, and is allied to B. picta. Based on its restricted distribution, Begonia menchunaensis is assessed as Critically Endangered under the IUCN Red List Categories and Criteria. Begonia picta, B. rex, B. roxburghii and B. xanthina are reported as new records for Bhutan.

Nine new records of plants from Bhutan

“…From 2009 to 2022, 19 species were described by multiple authors (Fryer and Hylmo, 2009;Kadota, 2010;Lidén, 2010;Ohba and Akiyama, 2010;Podlech, 2010;Rushforth, 2010;Sukhorukov, 2012;Wen and Shi, 2012;Yoshida and Grey-Wilson, 2012; N. Gyeltshen et al, 2017Yoshida et al, 2017aYoshida et al, , 2017bC. Gyeltshen et al, 2019;P. Gyeltshen et al, 2022).…”

“…Dorji et al, , 2022bR. Dorji et al, , 2022cP. Gyeltshen et al, , 2022Phuentsho et al 2021;Rabgay et al, 2021;Tenzin et al, 2021).…”