Lippia sp. (Verbenaceae) bottom left

Sesamum indicum (Pedaliaceae) bottom right

Thank you Michael for the answer, yes, it is likely Lippia sp.

Hi Ojija, the top spiky one should be the Cirsuim sp

Hello Dr Fredrick Ojija

I think the flower is Pandranea ricasolina or Ceratotheca triloba. we can only make difference by the germination, wish you find this answer helpful

Good luck and have a nice day,

Fredrick Ojija

Image 3: It is a Pedaliaceae plant, Sesamum angolense Welw.

Thanks!

Fredrick Ojija

Image 2: It is Lippia javanica (Burm.f.) Spreng. of family Verbenaceae.

https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:863680-1

Thanks!