...Consequently, in accordance with his simple rule, he classes them as distinct species; as he does sweet and bitter almonds, the peach and nectarine, &c... 
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Peach and Nectarine (Amygdalus Persica)...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...A hybrid, raised by Knight from the sweet almond by the pollen of the peach, produced flowers with little or no pollen, yet bore fruit, having been apparently fertilised by a neighbouring nectarine...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Most of the varieties both of the peach and nectarine reproduce themselves truly by seed...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...De Candolle does not appear perfectly assured of their specific identity; and an eminent botanist has quite recently maintained that the nectarine "probably constitutes a distinct species...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Rivers states that from stones of three distinct varieties of the peach he raised three varieties of nectarine; and in one of these cases no nectarine grew near the parent peach-tree...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...One of the peaches was almost as smooth on one side as a nectarine...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
... First, that the parent-trees have been in every case hybrids between the peach and nectarine, and have reverted by bud-variation or by seed to one of their pure parent-forms...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...The Carclew nectarine, on the other hand, first produced half-and-half fruit, and subsequently pure peaches...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Hence we may confidently accept the common view that the nectarine is a variety of the peach, which may be produced either by bud-variation or from seed...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...The varieties of the peach and nectarine run in parallel lines...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...The varieties of the peach have largely increased in number since the Christian era, when from two to five varieties alone were known; and the nectarine was unknown...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...We have seen that no less than six named and several unnamed varieties of the peach have thus produced several varieties of nectarine...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...The seed of the nectarine, on the other hand, occasionally produces peaches; and we have seen in one instance that a nectarine-tree yielded peaches by bud-variation...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Hunt's large tawny nectarine "originated from Hunt's small tawny nectarine, but not through seminal reproduction...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...The Boston nectarine, which appeared as a bud-variation, produced by seed a closely allied nectarine...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
... The peach and nectarine do not succeed equally well in the same soil: see Lindley's 'Horticulture,' p...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
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