a_seed_is_a_seed_is_a_seed
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- 2023/08/02 15:44
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![[root]](https://research.annemariemaes.net/doku.php?id=a_seed_is_a_seed_is_a_seed&ns=&tab_files=files&do=media&tab_details=view&image=pollination%3Aonlinepollendatabase%3A800wm.jpg){kind=link}
File
- Title:
- Hollyhock pollen
- Date:
- 2023/09/13 09:01
- Filename:
- 800wm.jpg
- Caption:
- Pollen. Coloured scanning electron micrograph (SEM) of a pollen grain of the garden hollyhock, Althaea rosa. Its outer wall (exine) has a spiky structure. When the pollen grain, containing the male gametes, lands on the stigma of a flower of the same species, it germinates. A pollen tube grows from the pollen grain & down to the flower's ovaries. The ovules are then fertilised & a seed is formed. Magnification: x200 at 6x6cm size.
- Photographer:
- Science Photo Library
- Copyright:
- DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY
- Format:
- JPEG
- Size:
- 155KB
- Width:
- 800
- Height:
- 797
- Keywords:
- hollyhock, pollen, althaea, rosa, garden, hollyhock, pollen, of, botany, plant, sem, coloured, scanning, electron, micrograph, grain, allergen, allergy, cause, sneezing, causing, sneeze, nature, plants, reproduction, reproductive, pollen
- References for:
- pollinations
a_seed_is_a_seed_is_a_seed.txt · Last modified: 2016/01/13 17:48 by 127.0.0.1