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The eiders (/ ˈ aɪ. d ər /) are large seaducks in the genus Somateria.The three extant species all breed in the cooler latitudes of the Northern Hemisphere. [2]The down feathers of eider ducks and some other ducks and geese, are used to fill pillows and quilts—they have given the name to the type of quilt known as an eiderdown.
Iva annua is an annual herb up to 150 cm (5 feet) tall. The plant produces many small flower heads in a narrow, elongated, spike-like array, each head with 11–17 disc florets but no ray florets. [4]
Common eiders (Somateria mollissima) in the breeding season on Texel, the Netherlands. The common eider (pronounced / ˈ aɪ. d ər /) (Somateria mollissima), also called St. Cuthbert's duck or Cuddy's duck, is a large (50–71 cm (20–28 in) in body length) sea-duck that is distributed over the northern coasts of Europe, North America and eastern Siberia.
A plant which completes its life cycle (i.e. germinates, reproduces, and dies) within two years or growing seasons. Biennial plants usually form a basal rosette of leaves in the first year and then flower and fruit in the second year. bifid Forked; cut in two for about half its length. Compare trifid. bifoliate
As the demand for plant and crop attributes changes (reappraisal or discovery of nutritional traits, culinary value, adaptation to climate change, etc.), some previously neglected crops, such as oil palm, soybean, and kiwifruit, have overcome such constraints via more large-scale production and use, becoming regarded as globally significant crops.
Forcing is the horticultural practice of bringing a cultivated plant into active growth outside of its natural growing season. Plants do not produce new growth or flowers (and hence fruit) during the winter, and many species only produce flowers or fruit for a very limited period.
A liner traditionally refers to lining out nursery stock in a field row. The term has evolved to mean a small plant produced from a rooted cutting, seedling, plug, or tissue culture plantlet. Direct sticking or direct rooting into smaller liner pots is commonly done in United States propagation nurseries.
However, if the plants are selectively propagated for the horticulture trade, a cultivar name is generally used instead. In botanical nomenclature , a form ( forma , plural formae ) is one of the "secondary" taxonomic ranks , below that of variety , which in turn is below that of species; it is an infraspecific taxon . [ 1 ]