Akuamma (Picralima nitida) is a plant belonging to various areas of Africa, especially in Ghana, Nigeria and the Ivory Coast. The dried seeds of the plant are generally ground down and turned into and powder, then utilized for any number of things. You can read more about it here at this link (opens in new window).
The seeds are often compared to Kratom because the alkaloid akuammine is structurally connected to yohimbine and mitragynine. This products specifically is the result of the grinding of the seeds, the powder.