Roof Restaurant Picture of Narcissus Hotel amp; Residence, Riyadh

By Gafarshod Selasa, 10 Januari 2017

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Narcissus /n?:r's?s?s/ is a genus of mainly spring perennial crops in the Amaryllidaceae (amaryllis) family. Various common brands including daffodil,[notes 1] daffadowndilly,[3] narcissus, and jonquil are being used to describe all or some members of the genus. Narcissus has conspicuous flowers with six petal-like tepals surmounted by the cup- or trumpet-shaped corona. The blossoms are usually white or yellowish (orange or pink in garden types), with either uniform or contrasting coloured tepals and corona.

Narcissus were popular in historic civilisation, both and botanically medicinally, but formally defined by Linnaeus in his Kinds Plantarum (1753). The genus is normally considered to have about ten areas with roughly 50 species. The true range of types has mixed, depending on how they are classified, due to similarity between types and hybridization. The genus arose some right amount of time in the Late Oligocene to Early Miocene epochs, in the Iberian peninsula and adjacent regions of southwest Europe. The precise origins of the real name Narcissus is mysterious, but it is often associated with a Greek phrase for intoxicated (narcotic) and the myth of the children of this name who fell in love with his own reflection. The English word 'daffodil' appears to be derived from "asphodel", with which it was likened commonly.

The species are local to meadows and woods in southern Europe and North Africa with a centre of diversity in the European Mediterranean, the Iberian peninsula particularly. Both wild and cultivated plants have naturalised widely, and were unveiled into the Far East to the tenth century prior. Narcissi have a tendency to be long-lived bulbs, which propagate by division, but are also insect-pollinated. Known pests, diseases and disorders include viruses, fungi, the larvae of flies, nematodes and mites. Some Narcissus species have become extinct, while some are threatened by increasing urbanisation and tourism.

Historical accounts suggest narcissi have been cultivated from the earliest times, but became increasingly popular in Europe following the 16th hundred years and by the overdue 19th century were an important commercial crop centred mainly on holland. Today narcissi are popular as chop blooms and as ornamental plants in private and public gardens. The long history of breeding has resulted in a large number of different cultivars. For horticultural purposes, narcissi are categorized into divisions, covering a variety of shapes and colours. Like other members of their family, narcissi produce a true number of different alkaloids, which provide some protection for the plant, but may be poisonous if ingested inadvertently. This property has been exploited for medicinal used in traditional healing and has led to the production of galantamine for the treating Alzheimer's dementia. Long celebrated in literature and art, narcissi are associated with a number of themes in several cultures, ranging from death to good fortune, and as symbols of springtime. The daffodil is the countrywide bloom of Wales and the icon of cancers charities in many countries. The looks of the crazy flowers in springtime is associated with celebrations in many places.

Narcissus is a genus of perennial herbaceous bulbiferous geophytes, dying again after flowering to a underground storage light bulb. They regrow in the next yr from brown-skinned ovoid lights with pronounced necks, and reach levels of 5-80 cm with respect to the species. Dwarf species such as N. asturiensis have a maximum level of 5-8 cm, while Narcissus tazetta might develop as high as 80 cm.

The crops are scapose, having a single central leafless hollow bloom stem (scape). Several green or blue-green, slim, strap-shaped leaves occur from the bulb. The place stem bears a solitary blossom, but once in a while a cluster of plants (umbel). The bouquets, which are usually conspicuous and white or yellowish, both or seldom renewable sometimes, consist of a perianth of three parts. Closest to the stem (proximal) is a floral tube above the ovary, then an exterior ring made up of six tepals (undifferentiated sepals and petals), and a central disc to conical shaped corona. The plants may hang up down (pendent), or be erect. There are six pollen bearing stamens bordering a central style. The ovary is second-rate (below the floral parts) comprising three chambers (trilocular). The berries involves a dry capsule that splits (dehisces) launching numerous black seed products.

The bulb sits dormant after the leaves and rose stem die again and has contractile roots that yank it down further in to the soil. The rose stem and leaves form in the light, to emerge the following season. Most types are dormant from summer time to late winter, flowering in the springtime, though a few types are autumn flowering.

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