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10 December 2009 Validation of the Hybrid Flowering Cherry Prunus ×incam (Rosaceae)
Richard T. Olsen, Alan T. Whittemore
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The name Prunus ×incam Ingram ex R. Olsen & Whittemore is validated here. Introduced as a cultivated variety in 1947, Ingram's name Prunus ×incam has been in use as a nomen nudum in horticultural literature and the nursery trade for artificial crosses involving the parent taxa P. incisa Thunberg × P. campanulata Maximowicz. Prunus ×incam is an early flowering tree with two or three flowers in each persistent involucre, spreading sepals, and pink, deeply emarginate petals. Ingram's original introduction, the cultivated variety ‘Okamé,’ is the most widely grown form.

Richard T. Olsen and Alan T. Whittemore "Validation of the Hybrid Flowering Cherry Prunus ×incam (Rosaceae)," Novon: A Journal for Botanical Nomenclature 19(4), 490-493, (10 December 2009).
Published: 10 December 2009
Okamé cherry
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