165 years as Prunus amygdalus now had to be renamed under the rules of nomenclature. However, it later turned out that in 1967 the name Prunus dulcis was no longer available for the almond because it had already been used for a cherry in an 1878 publication by L'Abbé Rouchy. The oldest valid combination in Prunus is therefore Prunus amygdalus.

Sweet and bitter almonds

The seeds of Prunus amygdalus var. dulcis are predominantly sweet but some individual trees produce seeds that are somewhat more bitter. The genetic basis for

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