Osteomeles anthyllidifolia.
Botanical name:
Osteomeles anthyllidifolia Lindl. Rosaceae.
Islands of the Pacific and China. The fruit is said to be white and sweet.
Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.
A herbal distance course
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.