Australian Tropical Rainforest Plants - Online edition
Click/tap on images to enlarge
![](../../images/features/fl_sepals_fused/char_fl39.jpg)
FL39 fused for more than half their length
![](../../images/features/fl_sepals_fused/char_fl40.jpg)
FL40 fused for less than half their length
Where the calyx and corolla are not clearly differentiated, use the corolla characters for the perianth.
This refers to the extent of fusion of the sepals, where they are partly to completely fused. See FL37 help image for examples.
Copyright © CSIRO 2020, all rights reserved.
![](assets/fs_images/logo_print_footer.png)
Web edition hosted at https://apps.lucidcentral.org/rainforest