[2][3] It contains only one recognized species, Schiekia orinocensis, native to South America (Brazil, Bolivia, Colombia, Venezuela, Guyana, Suriname, French Guiana).

This plant grasped the minds of many scientists who tried fruitlessly to discover its purpose in the natural order.

[1][4][5][6] Comparison of homologous DNA has increased the insight in the phylogenetic relationships between the genera in the Haemodoroideae subfamily.

The following trees represent those insights.

[7] Dilatris Lachnanthes Haemodorum Barberetta Wachendorfia Xiphidium Schiekia