Origin: in Portland, Ore., by Mildred M. Smith. Introd. in 1955. Plant patent 1586; 2 Apr. 1957, by Smith; assigned to Samuel J. Rich, Rich & Sons Nursery, Hillsboro, Ore. Shiro × Prunus cerasifera var. atropurpurea (purple-leafed plum); cross made in 1947; selected in 1952. Tree: growth habit similar to Shiro; flowers white at anthesis, with prominent stamens; leaves when young red on both sides, at maturity dark green on upper surface, red on lower surface. Fruit: skin cherry red; flesh apricot orange, slightly more acid than Shiro but sweeter than purple-leafed parent; ripens about 1 week later than Shiro.
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