File:Mamillaria sheldonii (3779412968).jpg
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Summary
[edit]DescriptionMamillaria sheldonii (3779412968).jpg |
Sheldon's Pincushion. Synonyms include - Ebnerella swinglei, Mammillaria inaiae, Chilita inaiae, Ebnerella inaiae, Chilita swingleri, Mammillaria pseudoalamensis, Mammillaria marnierana, Mammillaria milleri var. swinglei, Ebnerella guirocobensis, Neomammillaria swinglei, Ebnerella sheldonii, Mammillaria gueldemanniana var. guirocobensis, Mammillaria swinglei, Neomammillaria sheldonii, Chilita sheldoni, Mammillaria alamensis, Chilita alamensis, Mammillaria gueldemanniana, Chilita gueldemanniana, Mammillaria guirocobensis There are around 300 species of Mammillarias. Most are native to Mexico, some are native from southwestern USA, Caribbean, Central America, or even a couple in northern South America. In their range you can find Mammillarias from sea level to high elevations. They also vary in size from miniature 1 inch in diameter (2.5 cm), to columnar types 1 foot tall (30 cm). The name Mammillaria comes from the Latine for "nipple", because the areolas (structures carrying the spines) are carried by nipple like structures instead of being organized in ribs like many other cacti. Another significant difference is that the flowers are not coming from the areola, but from the area at the juncture of 2 tubercles. |
Date | |
Source | Mamillaria sheldonii |
Author | Leonora Enking from West Sussex, England |
Camera location | 50° 49′ 41.04″ N, 0° 28′ 25.22″ W | View this and other nearby images on: OpenStreetMap | 50.828066; -0.473672 |
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This image was originally posted to Flickr by wallygrom at https://flickr.com/photos/33037982@N04/3779412968. It was reviewed on 3 March 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
3 March 2016
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current | 00:29, 3 March 2016 | 480 × 640 (159 KB) | Josve05a (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot SX200 IS |
Exposure time | 1/400 sec (0.0025) |
F-number | f/3.4 |
ISO speed rating | 400 |
Date and time of data generation | 14:22, 1 August 2009 |
Lens focal length | 5 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 14:22, 1 August 2009 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 14:22, 1 August 2009 |
Meaning of each component |
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APEX shutter speed | 8.65625 |
APEX aperture | 3.53125 |
APEX exposure bias | 0 |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,393.442622951 |
Focal plane Y resolution | 16,393.442622951 |
Focal plane resolution unit | inches |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |