Massive growth, this was huge. It was along the edges of the botanical gardens, and I expect it had escaped from cultivation. Nagai bot.g., Osaka, Japan. Wild. 2001-05-09.
Vinca major L.
Engl.: bigleaf periwinkle, greater periwinkle.
Deu.: Grosses Immergrün.
Sven.: stor vintergröna, större sinngrön.
Pre-Linnaean: Clematis daphnoides major, Clematis daphnoides major flore caeruleo, Clematis major, Pervinca vulgaris latifolia flore caeruleo