sentences:  Like "D. alata" it was introduced to Madagascar and the Comoros by Austronesians, where it spread to the East African coast.They are also a dominant crop in Near Oceania, However, it did not reach to the furthest islands in Polynesia, being absent in Hawaii and New Zealand.Starch grains identified to be from the lesser yam have been recovered from archaeological sites of the Lapita culture in Viti Levu, Fiji, dated to around 3,050 to 2,500 cal BP.