NARCISSUS OTHERS Teacher Ronald

Narcissus /n?:r's?s?s/ is a genus of mostly spring perennial vegetation in the Amaryllidaceae (amaryllis) family. Various common brands including daffodil,[notes 1] daffadowndilly,[3] narcissus, and jonquil are 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 usually white or yellow (orange or green in garden varieties), with either uniform or contrasting coloured tepals and corona.

Narcissus were well known in historic civilisation, both and botanically medicinally, but formally explained by Linnaeus in his Kinds Plantarum (1753). The genus is normally considered to have about ten areas with about 50 species. The true variety of varieties has varied, depending how they are labeled, thanks to similarity between hybridization and species. 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 exact origins of the true name Narcissus is unknown, but it is often associated with a Greek expression for intoxicated (narcotic) and the misconception of the junior of that name who fell in love with his own reflection. The English phrase 'daffodil' appears to be produced from "asphodel", with which it was compared commonly.

The types are indigenous to meadows and woods in southern Europe and North Africa with a centre of diversity 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, disorders and diseases include viruses, fungi, the larvae of flies, nematodes and mites. Some Narcissus species have become extinct, while others 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 later 19th century were an important commercial crop centred mainly on the Netherlands. Narcissi are popular as slash flowers and as ornamental crops in private and general population gardens today. The long history of breeding has resulted in thousands of different cultivars. For horticultural purposes, narcissi are classified into divisions, covering a variety of colours and shapes. Like other members of the 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 used in traditional healing and has led to the production of galantamine for the treatment of Alzheimer's dementia. Long celebrated in fine art and books, narcissi are associated with a number of themes in various cultures, ranging from death to fortune, and as icons of planting season. The daffodil is the nationwide bloom of Wales and the sign of cancers charities in many countries. The appearance of the untamed flowers in spring and coil is associated with celebrations in many places.

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

The plants are scapose, having a single central leafless hollow blossom stem (scape). Several blue-green or green, small, strap-shaped leaves arise from the light. The plant stem bears a solitary flower, but once in a while a cluster of blossoms (umbel). The blooms, which are conspicuous and white or yellowish usually, sometimes both or seldom inexperienced, 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 disc to conical molded corona. The bouquets may hang down (pendent), or be erect. You can find six pollen bearing stamens bordering a central style. The ovary is substandard (below the floral parts) comprising three chambers (trilocular). The berries involves a dry capsule that splits (dehisces) launching numerous black seeds.

The bulb is placed dormant following the leaves and flower stem die back again and has contractile root base that take it down further into the soil. The bloom leaves and stem form in the bulb, to emerge the following season. Most types are dormant from summer to past due winter, flowering in the springtime, though a few varieties are fall months flowering.

Narcissus Pictures

Echo and Narcissus by sorgie on DeviantArt

Narcissus Axl Rose and Echo by beckpage on DeviantArt

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