Pritchardia affinis is native to the island of Hawai`i. It grows on the leeward side in the Kona district. It is referred to as Lo`ulu Kiholo I can't remember where I bought it. I think it was at a plant sale in Halawa Valley. The plant was tipical gallon size, about 8-10 inches tall. It has been in the ground on this terraced hillside for about 3 years. There is no trunk yet and the tallest fronds are about 8 feet high.   Here is a link to more information: US Department of Interior