Plant for ID : Kenya : 30JAN21 : AK-38: 1 image.
A small plant with a single purple flower seen during my visit in July, 2016.
Please check Justicia sp.
Justicia diclipteroides Lindau ??
References:
https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:50627-1
https://www.inaturalist.org/taxa/1093024-Justicia-diclipteroides/browse_photos
https://identify.plantnet.org/k-world-flora/species/Justicia%20diclipteroides%20Lindau/data