Strychnos is a genus of flowering plants, belonging to family Loganiaceae (sometimes Strychnaceae). The genus includes about 190 species of trees and lianas, distributed around the world's tropics.

• The Strychnine tree, Strychnos nux-vomica, native to tropical Asia, is the source of the poison strychnine.

• The species Strychnos toxifera is one of the 2 plant sources of the poison curare.

• Another notable species is Strychnos spinosa (Lam.), commonly known as the Natal orange.

• The ripe seeds of Strychnos potatorum,^*," target="_blank" >known as Therran or Nirmal,[http://www.botanical.com/botanical/mgmh/n/nuxvom08.html can be ground and used as a coagulant to purify water; or they may be rubbed against the inside walls of the earthenware water containers.

External links

• This plant can purify water
• Home water treatment by direct filtration with natural coagulant, by Babu R, Chaudhuri M.

Gentianales | Water treatment | Appropriate technology

Strychnos | Strychnos