Section of Central and East Asia
Calystegia hederacea Wall.
Herbarium E.Maire, China, provincia Yunnan, III.1904-1910, legit E.Maire
The herbarium sheet has the printed title "Hortus Botanicus Imperialis Petri Magni" and the State Emblem of the Russian Empire.The specimen is provided with two labels which supplement each other; one of them is printed and blank, the other is a field one.
Raenko L.M., 2004