''Prunus costata'' is a species of ''

Prunus ''Prunus'' is a genus of trees and shrubs, which includes (among many others) the fruits plums, cherries, peaches, nectarines, apricots, and almonds. Native to the North American temperate regions, the neotropics of South America, and the p ...

'' native to

New Guinea New Guinea (; Hiri Motu Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea). It is a simplified version of ...

. It is a tree reaching 25m, and is morphologically very similar to ''Prunus grisea'' var ''grisea'', aside from their seeds. It flowers are borne on a raceme and have white petals only 1-3 mm long, with 20 to 35 stamens each. The numerous stamens are typically 5.5 mm long, giving the flowers a bristly appearance. ''P. costata'' flowers 3 to 4 times per year, and successfully sets fruit after most flowerings. The type specimen was collected on Mt. Scratchley at .

References

costata Flora of New Guinea Plants described in 1965 {{prunus-stub