Euphorbia epithymoides
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Euphorbia epithymoides, the cushion spurge, syn. E. polychroma, is a species of deciduous flowering plant in the family Euphorbiaceae, native to Libya, Turkey and East, Middle, and Southeast Europe. I
Cultivar
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A cultivar is a kind of cultivated plant that people have selected for desired traits and which retains those traits when propagated. Methods used to propagate cultivars include division, root and ste
Osteospermum 'Pink Whirls' A cultivar selected for its brightly coloured flowers with unusual fluted petal structure
Liberty Hyde Bailey (1858–1954) coined the words cultigen in 1918 and cultivar in 1923.
Bread wheat, Triticum aestivum, is considered a cultigen, and is a distinct species from other wheats according to the biological species concept. Many different cultivars have been created within this cultigen. Many other cultigens are not considered to be distinct species, and can be denominated otherwise.
A cultivar of the orchid genus Oncidium