Narcissus Jenny

By Gafarshod Sabtu, 17 September 2016

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Narcissus /n?:r's?s?s/ is a genus of mainly spring perennial plant life in the Amaryllidaceae (amaryllis) family. Various common labels 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 with a cup- or trumpet-shaped corona. The plants are usually white or yellow (orange or green in garden varieties), with either uniform or contrasting coloured corona and tepals.

Narcissus were well known in early civilisation, both medicinally and botanically, but formally described by Linnaeus in his Types Plantarum (1753). The genus is normally considered to have about ten areas with approximately 50 species. The amount of types has varied, depending about how they are classified, due to similarity between species and hybridization. The genus arose some time in the Late Oligocene to Early Miocene epochs, in the Iberian peninsula and adjacent regions of southwest Europe. The precise origin of the true name Narcissus is anonymous, but it is often associated with a Greek expression for intoxicated (narcotic) and the misconception of the youngsters of this name who fell in love with his own reflection. The English phrase 'daffodil' is apparently derived from "asphodel", with which it was commonly compared.

The kinds are native to meadows and woods in southern European countries and North Africa with a middle of variety in the Traditional western Mediterranean, the Iberian peninsula particularly. Both wild and cultivated plants have naturalised widely, and were introduced into the Far East prior to the tenth century. Narcissi have a tendency to be long-lived bulbs, which propagate by division, but are insect-pollinated also. Known pests, diseases and disorders include viruses, fungi, the larvae of flies, mites and nematodes. Some Narcissus species have grown to be 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 after the 16th century and by the late 19th hundred years were an important commercial crop centred primarily on the Netherlands. Today narcissi are popular as trim blossoms so that as ornamental plants in private and open public gardens. The long history of breeding has led to thousands of different cultivars. For horticultural purposes, narcissi are classified into divisions, covering an array of shapes and colours. Like other members of these family, narcissi produce a true number of different alkaloids, which provide some protection for the plant, but may be poisonous if accidentally ingested. This property has been exploited for medicinal use within traditional healing and has resulted in the production of galantamine for the treatment of Alzheimer's dementia. Long celebrated in art and books, narcissi are associated with a true number of themes in several cultures, ranging from fatality to good fortune, and as symbols of spring. The daffodil is the nationwide flower of Wales and the symbol of cancers charities in many countries. The appearance of the outdoors flowers in springtime is associated with celebrations in many places.

Narcissus is a genus of perennial herbaceous bulbiferous geophytes, dying back after flowering to an underground storage light bulb. They regrow in the following 12 months from brown-skinned ovoid lights with pronounced necks, and reach levels of 5-80 cm depending on the species. Dwarf kinds such as N. asturiensis have a maximum level of 5-8 cm, while Narcissus tazetta may increase as high as 80 cm.

The plant life are scapose, having a single central leafless hollow rose stem (scape). Several green or blue-green, thin, strap-shaped leaves arise from the bulb. The herb stem bears a solitary flower, but once in a while a cluster of blossoms (umbel). The plants, that happen to be usually conspicuous and white or yellow, sometimes both or rarely green, consist of a perianth of three parts. Closest to the stem (proximal) is a floral tube above the ovary, then an exterior ring composed of six tepals (undifferentiated sepals and petals), and a central disk to conical molded corona. The plants may suspend down (pendent), or be erect. You can find six pollen bearing stamens adjoining a central style. The ovary is second-rate (below the floral parts) consisting of three chambers (trilocular). The berry contains a dry capsule that splits (dehisces) releasing numerous black seed products.

The bulb is placed dormant following the leaves and bloom stem die back again and has contractile roots that pull it down further into the soil. The rose stem and leaves form in the light bulb, to emerge the next season. Most types are dormant from warmer summer months to overdue winter, flowering in the springtime, though a few species are autumn flowering.

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