Palo azul, ground
This is palo azul ground to a powder, wildcrafted in Mexico, in a 6 oz bag that counts 60 or more cups and a pound bag beside it. On its card the plant is Eysenhardtia polystachya, the one Mexican markets usually sell as palo azul. Our chips bag prints a different name, Cyclolepis genistoides, so the two bags may not hold the same plant.
The bag asks for one tablespoon to half a gallon of water. Boil the water, let it settle off the boil, then steep the powder 15 to 30 minutes, with alkaline water if you want the blue color. The product description says to boil it instead and puts the blue at a few minutes. Either way, pour through a fine cloth or a paper filter, since powder slips through a mesh sieve.
In the YERBERO herb shelf, Palo azul en polvo is filed under P in the herbolario A–Z, next to Pasiflora.