Australian Tropical Rainforest Plants - Online edition
Click/tap on images to enlarge
![](../../images/features/s_cotyledons_base_shape/char_s16.jpg)
S16 base cuneate to attenuate
![](../../images/features/s_cotyledons_base_shape/char_s17.jpg)
S17 base rounded
![](../../images/features/s_cotyledons_base_shape/char_s18.jpg)
S18 base cordate to sagittate
The cotyledons are the seedling leaves. They appear above ground in seeds with epigeal germination only. Cotyledon features can be used for these seedlings only.
Copyright © CSIRO 2020, all rights reserved.
![](assets/fs_images/logo_print_footer.png)
Web edition hosted at https://apps.lucidcentral.org/rainforest