Juan Antonio Calleja

Nuriaea is a genus of flowering plants in the sunflower family, Asteraceae. It includes two species of thistles, Nuriaea dender and Nuriaea engleriana, which are endemic to Ethiopia. They are spiny perennial herbs, growing 3 to 4 meters tall and occasionally up to 5 meters. Both species are native to the Ethiopian Highlands, growing in Afromontane plant communities above 1,600 meters elevation. These species were formerly placed in genus Cirsium. They have a plumose pappus like species of Cirsium and Afrocirsium. They differ from these other genera in their large size, and in having large

Afrocirsium is a genus of flowering plants in the sunflower family, Asteraceae. It includes three species of thistles native to the mountains of eastern tropical Africa. They are spiny perennial herbs growing 0.5 to 2.5 meters tall. They have the plumose pappus characteristic of genus Cirsium, but have distinct characteristics like phyllaries with well-developed pectinate appendages which are not present in Cirsium and the other genera in the Carduus-Cirsium group. All are native to Afromontane or Afroalpine regions of eastern tropical Africa between 1,600 and 4,600 meters elevation, ranging

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