Spotted in a market in Rantepao, Sulawesi Island, Indonesia
The plant on the right is ‘daka’ or ‘mustard’, which are the flowering spikes of a species of Piper. Piper is the plant that also produces the leaves often sold together with the Betel nut (Areca catechu), which is of the left here.
More info about Betel nut: davidtng.wordpress.com/2012/11/01/chewing-betel-nuts-a-fo...