Narcissistic personality disorder

By Gafarshod Jumat, 03 Februari 2017

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

Narcissus were popular in early civilisation, both and botanically medicinally, but formally described by Linnaeus in his Species Plantarum (1753). The genus is normally thought to have about ten areas with roughly 50 species. The true volume of species has varied, depending about how they are labeled, as a consequence to similarity between hybridization and types. The genus arose some right time in the Late Oligocene to Early Miocene epochs, in the Iberian peninsula and adjacent regions of southwest Europe. The precise origins of the true name Narcissus is mysterious, but it is often associated with a Greek phrase for intoxicated (narcotic) and the myth of the young ones of that name who fell in love with his own reflection. The English word 'daffodil' is apparently derived from "asphodel", with which it was commonly compared.

The varieties are local 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 cultivated and wild plants have naturalised widely, and were introduced in to the Far East prior to the tenth century. Narcissi tend 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, 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 ever more popular in Europe following the 16th century and by the overdue 19th century were an important commercial crop centred primarily on holland. Today narcissi are popular as lower blossoms as ornamental vegetation in private and public gardens. The long history of breeding has resulted in thousands of different cultivars. For horticultural purposes, narcissi are categorized into divisions, covering a wide range 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 accidentally. This property has been exploited for medicinal use in traditional healing and has resulted in the production of galantamine for the treatment of Alzheimer's dementia. Long celebrated in books and art work, narcissi are associated with a true number of themes in various cultures, ranging from fatality to good fortune, and as symbols of spring. The daffodil is the national bloom of Wales and the sign of cancer charities in many countries. The appearance of the wild flowers in springtime is associated with festivals in many places.

Narcissus is a genus of perennial herbaceous bulbiferous geophytes, dying back after flowering with an underground storage light bulb. They regrow in the following yr from brown-skinned ovoid bulbs with pronounced necks, and reach heights of 5-80 cm depending on species. Dwarf kinds such as N. asturiensis have a maximum level of 5-8 cm, while Narcissus tazetta may increase as tall 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 happen from the light. The place stem usually bears a solitary bloom, but once in a while a cluster of bouquets (umbel). The blossoms, that are usually conspicuous and white or yellow, both or almost never inexperienced sometimes, consist of a perianth of three parts. Closest to the stem (proximal) is a floral tube above the ovary, then an outside ring made up of six tepals (undifferentiated sepals and petals), and a central disk to conical shaped corona. The plants may suspend down (pendent), or be erect. There are six pollen bearing stamens bordering a central style. The ovary is poor (below the floral parts) consisting of three chambers (trilocular). The berry consists of a dry out capsule that splits (dehisces) liberating numerous black seed products.

The bulb lays dormant following the leaves and blossom stem die back and has contractile root base that pull it down further into the soil. The rose leaves and stem form in the light bulb, to emerge the following season. Most species are dormant from summer season to late winter, flowering in the spring and coil, though a few kinds are fall flowering.

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