File:Golden Trumpet (Allamanda cathartica), taken in my garden.jpg
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[edit]DescriptionGolden Trumpet (Allamanda cathartica), taken in my garden.jpg |
English: Allamanda Cathartica, also known as Yellow Bell, Golden Trumpet or Buttercup Flower, is a genus of tropical shrubs or vines belonging to the dogbane family (Apocynaceae). They are native to the Americas, where they are distributed from Mexico to Argentina. Some species are familiar as ornamental plants cultivated for their large, colorful flowers. The genus name Allamanda honors the Swiss botanist and physician Frédéric-Louis Allamand (1735–1803)
Plants of the genus are evergreen trees, shrubs, or vines. They contain a white latex. The leaves are opposite or arranged in whorls of up to 5. The blades are generally oval and smooth-edged, and some are leathery or lightly hairy. The inflorescence is a compound cyme. The flower has five lobed sepals and a bell- or funnel-shaped corolla of five petals, yellow in most species. The fruit is a schizocarp containing two to four seeds In lab analyses Allamanda species have yielded several chemical compounds, including iridoid lactones such as allamandin, plumericin, and plumierides. Plumericin particularly was demonstrated to be a highly potent NF-κB inhibitor with anti-inflammatory activity in vitro and in vivo, while its structurally related derivatives plumierdin, plumeridoid C, and allamandicin did not have activity. The lignan pinoresinol and coumarins such as scopoletin and scoparonehave been isolated from A. schottii. Allamanda species have been used in systems of traditional medicine for various purposes. A. cathartica has been used to treat liver tumors, jaundice, splenomegaly, and malaria. In analyses, some species have shown some activity against carcinoma cells, pathogenic fungi, and HIV. In the wild, allamandas grow along riverbanks and other open, sunny areas with adequate rainfall and perpetually moist substrate. The plants do not tolerate shade or salty or alkaline soils, and they are sensitive to frost. They grow rapidly, sometimes spreading 3 meters per year. They can be propagated from cuttings. Allamandas have become naturalized throughout the tropics, growing in roadside ditches, abandoned yards, and dumps. A. cathartica in particular is an invasive species in Queensland.[7] Cutting is ineffective as a means of control, because the plants respond by coppicing. en.wikipedia.org/wiki/Allamanda#cite_note-wa-3 |
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Source | https://www.flickr.com/photos/21186555@N07/30749463405/ |
Author | Ray in Manila |
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This image was originally posted to Flickr by Ray in Manila at https://flickr.com/photos/21186555@N07/30749463405. It was reviewed on 16 March 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
16 March 2020
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Camera manufacturer | Canon |
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Camera model | Canon EOS 650D |
Exposure time | 1/800 sec (0.00125) |
F-number | f/13 |
ISO speed rating | 640 |
Date and time of data generation | 10:31, 25 September 2015 |
Lens focal length | 50 mm |
Label | Blue |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop Lightroom 6.4 (Macintosh) |
File change date and time | 16:30, 3 November 2016 |
Exposure Program | Manual |
Exif version | 2.3 |
Date and time of digitizing | 10:31, 25 September 2015 |
APEX shutter speed | 9.643856 |
APEX aperture | 7.400879 |
APEX exposure bias | 0 |
Maximum land aperture | 1.75 APEX (f/1.83) |
Metering mode | Partial |
Flash | Flash did not fire, compulsory flash suppression |
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Focal plane X resolution | 5,798.6577181208 |
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Rating (out of 5) | 4 |
Date metadata was last modified | 00:30, 4 November 2016 |
Unique ID of original document | 2286033622AB376D7491E4C70B08AF8C |
IIM version | 4 |