The Blue Lily, or Blue Lotus was the most sacred plant of Ancient Egypt. It was frequently depicted in works of art, where it is most often shown in party and other social scenes.

Silene capensis is native to the river valleys of the eastern cape province of South Africa. This obscure flowering species is regarded by local shamans as a type of "Ubulawu" that they call "Undlela Ziimhlophe".

Guayusa is used by people of the Amazon basin. It has the interesting effect of inducing lucid dreaming. For this reason, it is known as the "watchman's plant".

Hawaiian Baby Woodrose (Argyreia nervosa), not to be confused with the Hawaiian woodrose (Merremia tuberosa), is a perennial climbing vine, also known as Elephant Creeper and Woolly Morning Glory.

Kanna has been historically documented to be used in South Africa by pastoralists and hunter-gatherers nomadic groups such as the Khoi and San peoples.

Kanna has been historically documented to be used in South Africa by pastoralists and hunter-gatherers nomadic groups such as the Khoi and San peoples.

Kanna has been historically documented to be used in South Africa by pastoralists and hunter-gatherers nomadic groups such as the Khoi and San peoples.

Synaptolepis kirkii has been said to induce lucid dreams. Its root infusions are used in rituals and for those trying to communicate with ancestral spirits or have prophetic visions.

Ipomea violacea is a member of the Bindweed or Morning Glory family, used by Aztecs and other indigenous groups of Central America, mainly Mexico.

Erythrina has long been used by the indigenous peoples in the Amazon. It is used in Brazilian traditional medicine as a sedative, or to calm an overexcited nervous system.

Erythrina has long been used by the indigenous peoples in the Amazon. It is used in Brazilian traditional medicine as a sedative, or to calm an overexcited nervous system.

Ololiuhqui in Nahuatl is the name of the seeds, not of the plant that yields the seeds. The word means "round thing", and the seeds are small, brown, and oval.