Pink Limonaid Orchids Macro is a photograph by Danielle Parent which was uploaded on April 26th, 2013.
Pink Limonaid Orchids Macro
The Orchidaceae are a diverse and widespread family of flowering plants with colorful and fragrant blooms, commonly known as the orchid family. Along... more
Title
Pink Limonaid Orchids Macro
Artist
Danielle Parent
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Photograph - Photographs
Description
The Orchidaceae are a diverse and widespread family of flowering plants with colorful and fragrant blooms, commonly known as the orchid family. Along with the Asteraceae, they are one of the two largest families of flowering plants, with between 21,950 and 26,049 currently accepted species, found in 880 genera.[1][2] Selecting which of the two families is larger is still under debate, as concrete numbers on such enormous families are constantly in flux. Regardless, the number of orchid species equals more than twice the number of bird species, and about four times the number of mammal species. The family also encompasses about 6–11% of all seed plants.[3] The largest genera are Bulbophyllum (2,000 species), Epidendrum (1,500 species), Dendrobium (1,400 species) and Pleurothallis (1,000 species).
The family also includes Vanilla (the genus of the vanilla plant), Orchis (type genus), and many commonly cultivated plants such as Phalaenopsis and Cattleya. Moreover, since the introduction of tropical species in the 19th century, horticulturists have produced more than 100,000 hybrids and cultivars.
Phalaenopsis Orchids (pron.: /ˌfælɨˈnɒpsɪs/) Blume (1825), known as the Moth Orchid, abbreviated Phal in the horticultural trade,[1] is an orchid genus of approximately 60 species. Phalaenopsis is one of the most popular orchids in the trade, through the development of many artificial hybrids.
Description
The generic name means "Phalaen[a]-like" and is probably a reference to the genus Phalaena, the name given by Carl Linnaeus to a group of large moths; the flowers of some species supposedly resemble moths in flight.[2] For this reason, the species are sometimes called Moth orchids.
They are native throughout southeast Asia from the Himalayan mountains to the islands of Polillo, Palawan and Zamboanga del Norte in the island of Mindanao in the Philippines and northern Australia. Orchid Island of Taiwan is named after this genus. Little recent information about their habitat and their ecology in nature is available since little field research has been done in the last decades.
Most are epiphytic shade plants; a few are lithophytes[citation needed]. In the wild, some species grow below the canopies of moist and humid lowland forests, protected against direct sunlight; others grow in seasonally dry or cool environments. The species have adapted individually to these three habitats.
Possessing neither pseudobulbs nor rhizome, Phalaenopsis shows a monopodial growth habit: a single growing stem produces one or two alternate, thick, fleshy, elliptical leaves a year from the top while the older, basal leaves drop off at the same rate. If very healthy, a Phalaenopsis plant can have up to ten or more leaves. The inflorescence, either a raceme or panicle, appears from the stem between the leaves. They bloom in their full glory for several weeks. If kept in the home, the flowers may last two to three months[citation needed].
Some Phalaenopsis species in Malaysia are known to use subtle weather cues to coordinate mass flowering[citation needed].
Classification
The genus can be classified into two groups :
• A group of species with a long, branched inflorescence (up to 1 m long) and large, almost round flowers with rose or white tints.
• A group of species with short stems and less rounded, waxy flowers with more pronounced colors.
In terms of Raunkiær plant lifeform terminology, these plants are epiphytes.
Based on DNA evidence, the genera Doritis Lindl. and Kingidium P.F.Hunt are now included in Phalaenopsis, according to the World Checklist of Selected Plant Families.[3] However not every specialist in this field accepts these taxonomic changes.
Intensive cross-fertilization has produced a great number of hybrids in all colors and variations. These are usually more adaptable to artificial conditions than their botanical ancestors. Many are hybrids of Phalaenopsis amabilis, Phalaenopsis schilleriana or Phalaenopsis stuartiana.
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Lily" and "Lilies Lilium (members of which are true lilies) is a genus of herbaceous flowering plants growing from bulbs, all with large prominent flowers. Lilies are an important group of flowering plants and are important in culture and literature in much of the world. Most species are native to the temperate northern hemisphere, though their range and extends into northern subtropics. Many other plants have "lily" in their common name but are not related to true liliesNamesThe botanic name Lilium is the Latin form and is a Linnaean name. The Latin name is derived from the Greek leírion, generally assumed to refer to true, white lilies as exemplified by the Madonna lily.[1] The word was borrowed from Coptic (dial. Fayyumic) hleri, from standard hreri, from Demotic hrry, from Egyptian hrṛt "flower". Meillet maintains that both the Egyptian and the Greek word are possible loans from an extinct, substratum language of the Eastern Mediterranean. The Greeks also used the word κρῖνον, krīnon, albeit for non-white lilies.The term "lily" has in the past been applied to numerous different flowering plants, often with only superficial resemblance to the true lily, including lotus, ranunculus, tulip, iris, anemone, agapanthus, zantedeschia, daylily, and others. All English translations of the bible render the Hebrew shūshan, shōshan, shōshannā as "lily". For instance, the "lily among the thorns" of Song of Solomon may be the honeysuckle.[2]For a list of other species described as lilies, see Lily (disambiguation).RangeThe range of lilies in the Old World extends across much of Europe, across most of Asia to Japan, south to India, to Indochina and to the Philippines. In the New World they extend from southern Canada through much of the United States. They are commonly adapted to either woodland habitats, often montane, or sometimes to grassland habitats. A few can survive in marshland and epiphytes are known in tropical southeast Asia. In general they prefer moderately acidic or lime-free soilsLilium longiflorum flower – 1. Stigma, 2. Style, 3. Stamens, 4. Filament, 5. TepalLilies are tall perennials ranging in height from 2–6 ft (60–180 cm). They form naked or tunicless scaly underground bulbs which are their overwintering organs. In some North American species the base of the bulb develops into rhizomes, on which numerous small bulbs are found. Some species develop stolons. Most bulbs are deeply buried, but a few species form bulbs near the soil surface. Many species form stem-roots. With these, the bulb grows naturally at some depth in the soil, and each year the new stem puts out adventitious roots above the bulb as it emerges from the soil. These roots are in addition to the basal roots that develop at the base of the bulb.The flowers are large, often fragrant, and come in a range of colours including whites, yellows, oranges, pinks, reds and purples. Markings include spots and brush strokes. The plants are late spring- or summer-flowering. Flowers are borne in racemes or umbels at the tip of the stem, with six tepals spreading or reflexed, to give flowers varying from funnel shape to a "Turk's cap". The tepals are free from each other, and bear a nectary at the base of each flower. The ovary is 'superior', borne above the point of attachment of the anthers. The fruit is a three-celled capsule.[3]Seeds ripen in late summer. They exhibit varying and sometimes complex germination patterns, many adapted to cool temperate climates.Most cool temperate species are dormant in winter. Most species are deciduous, but a few species (Lilium candidum, Lilium catesbaei) bear a basal rosette of leaves during dormancy.EcologyLilies are used as food plants by the larvae of some Lepidoptera species including the Dun-bar.Toxicity Some Lilium species are toxic to cats. This is known to be so especially for L. longiflorum though other Lilium and the related Hemerocallis can also cause the same symptoms.[4][5][6] The true mechanism of toxicity is undetermined, but it involves damage to the renal tubular epithelium (composing the substance of the kidney and secreting, collecting, and conducting urine),which can cause acute renal failure.Cultivation Lilies on display at Hampton Court Flower Show, UKMany species are widely grown in the garden in temperate and sub-tropical regions. They may also be grown as potted plants. Numerous ornamental hybrids have been developed. They can be used in herbaceous borders, woodland and shrub plantings, and as patio plants. Some lilies, especially Lilium longiflorum, form important cut flower crops. These may be forced for particular markets; for instance, L. longiflorum for the Easter trade, when it may be called the Easter lily.Lilies are usually planted as bulbs in the dormant season. They are best planted in a south-facing, slightly sloping aspect, in sun or part shade, at a depth 2½ times the height of the bulb (except L. candidum which should be planted at the surface). Lilies have contractile roots which pull the plant down to the correct depth, therefore it is better to plant them too shallowly than too deep. A soil pH of around 6.5 is generally safe. The soil should be well-drained, and plants must be kept watered during the growing season. Some plants have strong wiry stems, but those with heavy flower heads may need staking.[7][8]
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April 26th, 2013
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