File:Гіпеаструм IMG20220502235923.jpg
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[edit]DescriptionГіпеаструм IMG20220502235923.jpg |
Українська: Культурний гібрид з роду Гіпеаструм (Hippeastrum Herb., 1821, nom. cons.) родини Амарилісові (Amaryllidaceae J.St.-Hil.)
Представники роду гіпеаструм є багаторічними цибулинними рослинами. За своєю будовою цибулина гіпеаструма відноситься до тунікатних, тобто складається з короткого, потовщеного стебла і зімкнутих замкнутих лусок. Розмір цибулини коливається залежно від виду від 5 до 10 см в діаметрі. У верхній частині цибулина звужується і переходить в шийку 2,5-3 см довжини. Коренева система складається з придаткових коренів, які формуються по краю денця кільцем, нижче місця прикріплення цибулинних лусок, залишаючи центральну частину денця вільною. Коріння численні, м'ясисті, слабо розгалужені, діаметром 0,5-0,6 см, довжиною до 35 см. Старі корені поступово відмирають, і кільце коренів пересувається вище по стеблу. Денце є основою вкороченого конусоподібного стебла, до якого прикріплюються м'ясисті луски цибулини. Зовнішні луски зазвичай мертві, сухі, легко злущуються. Під ними розташовані соковиті замкнуті луски, що чергуються з незамкненими, в основі яких знаходяться суцвіття.
English: A cultivar hybrid from the genus Hippeastrum Herb., 1821, nom. cons. family Amaryllidaceae J.St.-Hil.
Most Hippeastrum bulbs are tunicate (a protective dry outer layer and fleshy concentric inner scales or leaf bases). The bulbs are generally between 2"–5" in diameter and produce two to seven long-lasting evergreen or deciduous leaves that are 12"–36" long and 1"–2" wide. The leaves are hysteranthous (develop after flowering), sessile (borne directly from the stem or peduncle), rarely persistent and subpetiolate. The flowers are arranged in umbelliform inflorescences which are pauciflor or pluriflor (2-14 flowers), supported on an erect hollow scape (flower stem) which is 12"–30" tall and 1"–2" in diameter with two free bracts forming a spathe which is bivalve with free leaflets at its base. Depending on the species, there are two to fifteen large showy flowers, which are more or less zygomophic and hermaphrodite. Each flower is5"–8" across, and the native species are usually purple or red. They are funnelform (funnel shaped).English: A cultivar hybrid from the genus Hippeastrum |
Date | |
Source | Own work |
Author | Сарапулов |
Camera location | 50° 28′ 55.32″ N, 30° 27′ 30.26″ E | View this and other nearby images on: OpenStreetMap | 50.482032; 30.458406 |
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This image was uploaded as part of Science Photo Competition 2022 in Ukraine. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:06, 11 December 2022 | 6,944 × 9,280 (12.04 MB) | Сарапулов (talk | contribs) | Uploaded own work with UploadWizard |
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Camera manufacturer | realme |
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Camera model | realme X2 Pro |
Exposure time | 1/50 sec (0.02) |
F-number | f/1.8 |
ISO speed rating | 1,400 |
Date and time of data generation | 23:59, 2 May 2022 |
Lens focal length | 5.58 mm |
Width | 6,944 px |
Height | 9,280 px |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 23:59, 2 May 2022 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 23:59, 2 May 2022 |
Meaning of each component |
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APEX shutter speed | 5.643 |
APEX aperture | 1.69 |
APEX brightness | 42,949,671 |
APEX exposure bias | 0 |
Maximum land aperture | 1.69 APEX (f/1.8) |
Metering mode | Center weighted average |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 75 |
DateTimeOriginal subseconds | 75 |
DateTimeDigitized subseconds | 75 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | Undefined |
Scene type | A directly photographed image |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Focal length in 35 mm film | 32 mm |
Scene capture type | Standard |