TY -JOUR AU -Dipankar Borah AU -Madhusudhan Khanal AU -Momang Taram AU -Neelam Gap TI -Begonia neelamorum (Begoniaceae sect. Monophyllon), a remarkable new species from Arunachal Pradesh, Northeast India PY -2026 DA -2026-08-05 JO -Taiwania VL -71 IS -4 SP -617 EP -620 UR -https://taiwania.ntu.edu.tw/abstract/2210 AB -Begonia neelamorum D.Borah & M.Khanal, sect. Monophyllon, is described as a new species from Arunachal Pradesh, India. It closely resembles B. prolifera A.DC. in having a globose tuber, a single, sessile, basifixed leaf with a uniformly light-green lamina, an inflorescence which arises from the base of the sessile leaf blade, and white staminate and pistillate flowers, but differs in its glandular-hispid indumentum, terete stem, ovate lamina with double-serrate margins, a dichasial cyme and shorter styles. The species description is accompanied by illustrations and photographs, and information is provided on its distribution, phenology, ecology, preliminary conservation assessment and similarity to other species. DO -10.6165/tai.2026.71.617