Narcissus 39;Delnashaugh39; Flickr Photo Sharing!

By Gafarshod Sabtu, 28 Januari 2017

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Narcissus /n?:r's?s?s/ is a genus of predominantly spring perennial crops in the Amaryllidaceae (amaryllis) family. Various common names 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 a cup- or trumpet-shaped corona. The blossoms are generally white or yellow (orange or pink in garden types), with either standard or contrasting coloured tepals and corona.

Narcissus were popular in old civilisation, both and botanically medicinally, but formally referred to by Linnaeus in his Types Plantarum (1753). The genus is generally considered to have about ten portions with around 50 species. The true number of types has mixed, depending how they are categorized, a consequence of to similarity between hybridization and species. The genus arose a while 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 linked to a Greek expression for intoxicated (narcotic) and the myth of the young ones of this name who fell in love with his own reflection. The English expression 'daffodil' is apparently produced from "asphodel", with which it was compared commonly.

The kinds are indigenous to meadows and woods in southern European countries and North Africa with a centre of diversity in the American Mediterranean, particularly the Iberian peninsula. Both wild and cultivated plants have naturalised widely, and were introduced into 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, mites and nematodes. Some Narcissus species have grown to be extinct, while some are threatened by increasing tourism and urbanisation.

Historical accounts suggest narcissi have been cultivated from the initial times, but became ever more popular in Europe following the 16th century and by the overdue 19th hundred years were an important commercial crop centred mainly on holland. Today narcissi are popular as slice blossoms so that ornamental vegetation in private and general public gardens. The long history of breeding has led to a large number of different cultivars. For horticultural purposes, narcissi are categorised into divisions, covering a variety of colours and shapes. Like other members with their family, narcissi create a 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 utilization in traditional healing and has led to the production of galantamine for the treatment of Alzheimer's dementia. Long celebrated in literature and skill, narcissi are associated with a number of themes in various cultures, ranging from loss of life to fortune, and as symbols of planting season. The daffodil is the countrywide flower of Wales and the icon of cancer charities in many countries. The appearance of the outdoors flowers in spring is associated with festivals in many places.

Narcissus is a genus of perennial herbaceous bulbiferous geophytes, dying back again after flowering to the underground storage light. They regrow in the next yr from brown-skinned ovoid light bulbs with pronounced necks, and reach levels of 5-80 cm with respect to the species. Dwarf types such as N. asturiensis have a maximum elevation of 5-8 cm, while Narcissus tazetta may grow as extra tall as 80 cm.

The vegetation are scapose, having an individual central leafless hollow bloom stem (scape). Several blue-green or green, slim, strap-shaped leaves happen from the light. The plant stem usually bears a solitary bloom, but sometimes a cluster of blooms (umbel). The blooms, which can be usually conspicuous and white or yellowish, sometimes both or almost never renewable, 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 blooms may hang up down (pendent), or be erect. You will find six pollen bearing stamens encompassing a central style. The ovary is poor (below the floral parts) comprising three chambers (trilocular). The fruit contains a dried out capsule that splits (dehisces) releasing numerous black seeds.

The bulb is placed dormant after the leaves and blossom stem die back and has contractile roots that take it down further into the soil. The blossom stem and leaves form in the bulb, to emerge the following season. Most varieties are dormant from summer time to past due winter, flowering in the spring, though a few kinds are autumn flowering.

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