The forgotten giant of the Pacific: a review on giant taro (Alocasia macrorrhizos (L.) G.Don)

Abstract This article provides an overview over taxonomy, distribution, cultivation and use of giant taro, Alocasia macrorrhizos (L.) G.Don. The species belongs to the Araceae (aroid) family, which consists 3700 grouped into 107 genera. Among those are several important crop from tropical Asia America. Giant with a thick stem, large leaves inflorescences, is cultivated as food in Pacific countries Asia. In other parts world, it mainly ornamental species. With high starch content its pest resistance, often forms part local traditional polycropping agroforestry systems, e.g. Tonga, contributes security particular during periods scarcity. Few production statistics available taro on small scale subsistence agriculture. We consider neglected crop. To our knowledge, no breeding or research programmes for improvement currently happening. A database query literature review revealed only 59 gene bank accessions, held 7 different banks worldwide. suggest further conservation landraces increase productivity this