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Rose history in Americas: Around the 16th Century the first cultivated roses were introduced into the Americas.
Disadvantage of rose hybrids:Typically new colorful varieties of roses which have been created by hybridization are weaker against diseases. Botanical description: In botany, a flower is regarded as a modified stem with shortened internodes and bearing, at its nodes, structures that may be highly modified leaves. In essence, a flower structure forms on a modified shoot or axis with an apical meristem that does not grow continuously (growth is determinate).
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