Trichanthecium tenerium (Poaceae: Panicoideae), a new species from Guinea-Conakry

Summary

Trichanthecium tenerium Xanthos, a new species from Guinea-Conakry, is described and illustrated. Trichanthecium tenerium is at present known only from two uninhabited sandstone table mountains in the Kounounkan Massif, Forécariah Prefecture. The species is assessed under the IUCN category Endangered. A key to the annual species of Trichanthecium is provided.

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Acknowledgements

The Garfield Weston Foundation funded the ‘Global Tree Seed Bank Project’ of Kew’s Millennium Seed Bank Partnership, enabling five seed collecting expeditions to Guinea. Dr Sékou Magassouba, head of the National Herbarium of Guinea, is thanked for hosting these seed collecting expeditions. Mr Abdoulaye Yéro Baldé, Ministre, Guinean Ministère de l’Enseignement Supérieur et de la Recherche Scientifique, and Dr Binko Mamady Touré, Secrétaire Général of the same Ministry, are thanked for their co-operation. Colonel Namory Keita, Directeur, Direction National des Eaux et Forêts and Mr Mamadou Bella Diallo, Point Focal CITES, Direction National des Eaux et Forêts authorised the export of the plant and seed specimens; permit numbers GN000053, GN000178, GN00018. The first author thanks Maria Vorontsova (K) for helpful discussion on the updated taxonomy of Panicum.

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Correspondence to Martin Xanthos.

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Xanthos, M., Konomou, G., Haba, P.M. et al. Trichanthecium tenerium (Poaceae: Panicoideae), a new species from Guinea-Conakry. Kew Bull 75, 11 (2020). https://doi.org/10.1007/s12225-020-9864-8

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Key Words

  • Africa
  • microhairs
  • taxonomy