- Plant: Morning Glory (Ipomoea cardiophylla)
- Uploaded by Gerris2
- Info: Closeup of buds, sepals and receptacles / 2016-11-15 / Wilmington, Delaware USA / License: All rights reserved
- Caption: Note the nectar droplets shining in the sunlight. The droplets show where the extra-floral nectaries are on the calyx.