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2024
Journal article
Keetia nodulosa sp. nov. (Rubiaceae - Vanguerieae) of West-Central Africa: bacterial leaf nodulation discovered in a fourth genus and tribe of Rubiaceae.
Keetia nodulosa Cheek, a cloud forest climber nearly endemic to Cameroon, with a single record from Nigeria, is described and illustrated. It is remarkable as the first known species to be recorded with bacterial leaf nodules (BLN) in the genus Keetia, and also, in the tribe Vanguerieae. Other genera in... -
2023
Journal article
Discovery and conservation of Monanthotaxis bali (Annonaceae) a new Critically Endangered (possibly extinct) montane forest treelet from Bali Ngemba, North West Region, Cameroon.
is the only known, solely montane (occurring solely above 2000 m alt.) species of the genus. It joins (Rwanda) and (Tanzania), two other species that can also occur above 2000 m alt. is an addition to the small number (28) of the tree species of the surviving montane forests of... -
2023
Journal article
Rinorea spongiocarpa and Rinorea dimakoensis (Violaceae), new threatened species of forest trees from East and South Regions of Cameroon and Gabon.
Two tree species are described as new to science: Achound. sp. nov. (placed in [unranked] Brachypetalae) and Achound. sp. nov. (placed in [unranked] Ilicifolieae). Both species occur in Cameroon, south of the Sanaga river, the first from South and East Regions, occurring in evergreen forest from Ngovayang and Lolodorf across...Achoundong, Gaston ; Cheek, Martin
Threatened plants, Gabon, Hydro-electric projects, Rinorea spongiocarpa, Vulnerable, Forest trees, New species, Rinorea dimakoensis, Cameroon, and Conservation
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2013
Journal article
The Nepenthes micramphora (Nepenthaceae) group, with two new species from Mindanao, Philippines.
The N. micramphora group is erected to accommodate the species N. micramphora, N. abgracilis sp. nov. and N. cid sp. nov. from submontane habitats in Mindanao, Philippines. An overview of the genus in the Philippines is presented in the context of recent discoveries. The greater taxonomic importance of pitcher characters... -
2018
Journal article
Vepris bali (Rutaceae), a new critically endangered (possibly extinct) cloud forest tree species from Bali Ngemba, Cameroon.
Cheek, Martin ; Gosline, George ; Onana, Jean-Michel
Medicinal plants, Essential oils, Rutaceae, Cameroon, Conservation, Vepris bali, Cloud forest, New species, and Bali Ngemba (Cameroon)