Extended distribution record of two bellflower species of Codonopsis (Campanulaceae) from the Indian state of Arunachal Pradesh

Codonopsis foetens Hook.f. and C. thalictrifolia Wall., two high altitude plants occurring at an elevation of 3300–4800 m, are recorded from Arunachal Pradesh State in India for the first time. These species were collected from Nagula Wetland complex of Tawang District of the state. Detailed description, occurrence, distribution, flowering and fruiting season, and picture pale of the species are provided in this paper for their easy identification in the field.