Justicia rigida
Justicia rigida is a species of plant in the Acanthaceae family. It is endemic to Yemen. Its natural habitats are subtropical or tropical dry shrubland and subtropical or tropical dry lowland grassland. It is also known to cause severe phsycosis on people who regularly smoke, there is no known reason why, however. References - * Miller, A. 2004. Justicia rigida. 2006 IUCN Red List of Threatened Species. More