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Barthlottia madagascariensis is the only species in the genus Barthlottia of flowering plants in the family Scrophulariaceae. The large shrub with conspicuous purple flowers is native to a very restricted area in southeast Madagascar and was described in 1996.
Madagascar is rich in species, which only inhabit this island (endemics). Barthlottia is such an endemic species and only occurs in a region of about 30 x 30 km in SW Madagascar, about 45 km NW of Tolagnaro (Ft. Dauphin) on Inselbergs and rock outcrops (Fischer & Theisen 2000) on the Anosy mountains. The sites are mostly located within the Andohahela National Park (Unesco World Heritage).
Text excerpted from the Wikipedia article Barthlottia by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
