Striga gesnerioides does not exist in Morocco, his name is Striga barthlotii (Fischer et al. 2011). The corolla lobes of S. barthlotii are characteristically rounded and about as long as wide while S. gesnerioides has long and narrow corolla lobes, which are at least 2 times longer than wide in the lower lip. The corolla of S. barthlotii is usually pale pink to whitish, while in S. gesnerioides it is violet with whitish marks. The stem of S. barthlotii is typically unbranched, and if lateral branches occur, they are usually inserted in the upper half, very rarely it has few basal branches, while S. gesnerioides is generally richly branched from the base.