Narcissus /n?:r's?s?s/ is a genus of mostly spring perennial vegetation in the Amaryllidaceae (amaryllis) family. Various common titles 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 way of a cup- or trumpet-shaped corona. The blooms are usually white or yellow (orange or red in garden kinds), with either uniform or contrasting colored corona and tepals.
Narcissus were popular in ancient civilisation, both and botanically medicinally, but formally identified by Linnaeus in his Types Plantarum (1753). The genus is normally considered to have about ten portions with about 50 species. The number of types has mixed, depending how they are classified, scheduled to similarity between types 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 exact source of the real name Narcissus is undiscovered, but it is linked to a Greek word for intoxicated (narcotic) and the misconception of the children of that name who fell deeply in love with his own representation. The English term 'daffodil' appears to be produced from "asphodel", with which it was commonly likened.
The varieties are indigenous to meadows and woods in southern European countries and North Africa with a middle of diversity in the Western Mediterranean, the Iberian peninsula particularly. Both wild and cultivated plants have naturalised widely, and were released in to the ASIA 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 grown to be extinct, while others 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 hundred years and by the later 19th century were an important commercial crop centred mostly on holland. Today narcissi are popular as lower plants and 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 categorised into divisions, covering a variety of shapes and colours. Like other members with their family, narcissi produce 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 resulted in the production of galantamine for the treatment of Alzheimer's dementia. Long celebrated in art work and books, narcissi are associated with a number of themes in various cultures, ranging from loss of life to good fortune, and as icons of spring and coil. The daffodil is the nationwide blossom of Wales and the mark of tumors charities in many countries. The appearance of the wild flowers in spring and coil is associated with celebrations in many places.
Narcissus is a genus of perennial herbaceous bulbiferous geophytes, dying back again after flowering to a underground storage light bulb. They regrow in the next season from brown-skinned ovoid light bulbs with pronounced necks, and reach levels of 5-80 cm depending on species. Dwarf types such as N. asturiensis have a maximum elevation of 5-8 cm, while Narcissus tazetta may expand as tall as 80 cm.
The vegetation are scapose, having an individual central leafless hollow rose stem (scape). Several green or blue-green, thin, strap-shaped leaves occur from the light. The vegetable stem usually bears a solitary rose, but occasionally a cluster of bouquets (umbel). The blooms, that are usually conspicuous and white or yellow, sometimes both or rarely green, contain 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 formed corona. The flowers may hang down (pendent), or be erect. You will find six pollen bearing stamens bordering a central style. The ovary is inferior (below the floral parts) consisting of three chambers (trilocular). The fruits contains a dried out capsule that splits (dehisces) launching numerous black seeds.
The bulb lies dormant following the leaves and rose stem die back again and has contractile roots that move it down further in to the soil. The blossom stem and leaves form in the light, to emerge the following season. Most species are dormant from summer to later winter, flowering in the planting season, though a few types are autumn flowering.
Daffodil Lake HD Pack 9 Stock Footage VideoHive
suspension bridge The Narcissus River. The Echo Point jetty on Lake
Indian Peafowl And White Narcissus Flowers, Isola Madre, Lake Maggiore
The Boat Parade With The Narcissus Figures On The Lake Of Altaussee
Tidak ada komentar:
Posting Komentar