Strychnos
Strychnos toxifera
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Gentianales
Family:	Loganiaceae
Genus:	Strychnos L.
Species
about 190

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.

• Strychnos ignatia ("St. Ignatius bean"), is a closely related Asian shrub/tree.

• 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,[1][2], known as Therran or Nirmal,[3] 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.

[edit] External links

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

Strychnos psilosperma foliage and fruit.