![]() ![]() ![]() In this case the original hybrids were sterile, that is, they could not reproduce sexually by the fertilizing of the pistils of one plant with pollen from another. kewensis), developed in the famous English botanical garden of that name, from a cross between a Himalayan primrose (P. One of the classic cases is the Kew primrose (P. Many horticultural hybrids of primroses have also been developed. ![]() Primula obconia is grown as a house plant. Primula auricula and other arctic-alpine primroses are often grown in rock gardens. For example, the European cowslip (Primula veris) is commonly cultivated as a garden plant, as is P. Many species and varieties of primroses are cultivated as ornamental plants. borealis) occurs in the northwestern tundra of Alaska and Canada as well as in eastern Siberia. stricta) occurs widely in moist places in the Arctic of North America and western Europe. Primula laurentiana occurs more locally in eastern Canada and the northeastern United States. Primula mistassinica occurs relatively widely in boreal and cool-temperate, often stream-side habitats in the northeastern United States and much of Canada. Some native primroses of North America include several species commonly known as the birds ’-eye primrose. Primroses have a rosette of leaves at the base of the plant and a taller structure that bears the flowers. The flowers of primroses are radially symmetric, and have five partially fused petals and five sepals. Primrose flowers occur as solitary units, or in small groups (inflorescences). The flowers of primroses are small but very attractive. Only one species occurs in South America, in southern Patagonia. The greatest species numbers occur in the mountains of centralĪsia, and, to a lesser degree, in northern Eurasia and North America. Most of these occur in arctic, boreal, and cool-temperate climates, including mountain-tops in tropical latitudes. There are about 500 species of primroses. Primroses are perennial, herbaceous plants in the genus Primula, family Primulaceae. ![]()
0 Comments
Leave a Reply. |