M. Cheek

Afrothismia ugandensis sp. nov. (Afrothismiaceae), Critically Endangered and endemic to Budongo Central Forest Reserve, Uganda

This paper renames and redescribes Afrothismia ugandensis, a critically endangered lichen species endemic to Uganda, highlighting its conservation status and threats.

Keetia nodulosa sp. nov. (Rubiaceae - Vanguerieae) of West - Central Africa: bacterial leaf nodulation discovered in a fourth genus and tribe of Rubiaceae.

The paper describes a new plant species, Keetia nodulosa, which exhibits bacterial leaf nodulation, a trait previously observed in three other Rubiaceae genera.

The endemic plant species of Ebo Forest, Littoral Region, Cameroon with a new Critically Endangered cloud forest shrub, Memecylon ebo (Melastomataceae-Olisbeoideae)

The paper describes a new Critically Endangered plant species from Ebo Forest, Cameroon, and highlights the urgent need for its conservation due to high endemicity and threats.

A new cloud forest tree Lychnodiscus bali (Sapindaceae), Critically Endangered from the Bali-Ngemba Forest reserve, N.W. Region, Cameroon.

The paper describes a new critically endangered tree species, Lychnodiscus bali, from Cameroon's cloud forests and discusses its conservation and classification.

Gymnosiphon fonensis (Burmanniaceae) a new Critically Endangered species from Simandou, Republic of Guinea, W. Africa.

The paper formally describes a new Critically Endangered Gymnosiphon species from Guinea, highlighting its unique morphology and conservation status.

New to Ehretiaceae: Keraunea. Re-evaluation of a genus of climbers from Brazil.

This paper reclassifies Keraunea, a genus of Brazilian forest climbers, into Ehretiaceae based on molecular and morphological evidence, and highlights the need for further taxonomic and conservation studies.

Barking up the wrong tree: the importance of morphology in plant molecular phylogenetic studies

The paper examines a case where molecular phylogenetic analysis misclassified a plant species due to a sampling error, emphasizing the importance of morphology in phylogenetic studies.

Afrothismiaceae (Dioscoreales), a new fully mycoheterotrophic family endemic to tropical Africa

This paper formally describes Afrothismiaceae, a new mycoheterotrophic plant family endemic to tropical Africa, and reviews its morphology, ecology, and conservation status.

Chemotaxonomy supports morphology in the identification of Vepris hemp (Rutaceae) a new species of Critically Endangered deciduous forest shrub from Usambara Mts, Tanzania.

The paper identifies a new species of Vepris, Vepris hemp, using morphology and chemotaxonomy, confirming its placement in Rutaceae and assessing its conservation status.

Cola Subgenus Disticha subg. nov. (Malvaceae-Sterculiaceae) of tropical Africa, a synoptic taxonomic revision with seven new species

This paper describes a new subgenus of Cola with seven new species, highlighting their unique morphological traits and conservation status.

A new Critically Endangered cloud forest tree Microcos (Grewiaceae-Malvaceae) from the Rumpi Hills of S.W. Region Cameroon.

The paper describes a new Critically Endangered tree species, Microcos rumpi, from Cameroon and discusses taxonomic revisions within the genus.

A taxonomic synopsis of unifoliolate continental African Vepris (Rutaceae) with three new threatened forest tree species from Kenya and Tanzania

The paper describes three new Vepris species from Kenya and Tanzania, revises the taxonomy of unifoliolate Vepris in Africa, and provides conservation assessments for all 13 taxa.

Monanthotaxis bali (Annonaceae) a new Critically Endangered (possibly extinct) montane forest treelet from Bali Ngemba, Cameroon

The paper describes a new plant species, Monanthotaxis bali, found in Cameroon, which is Critically Endangered and possibly extinct due to habitat loss.

The generic status of Anacolosa (Olacaceae) in Africa with A. deniseae a new species to science of Endangered submontane forest liana from Simandou, Republic of Guinea.

The paper describes a new plant species, Anacolosa deniseae, from Guinea and assesses its conservation status as Endangered due to habitat destruction, while highlighting its unique climbing traits and taxonomic distinction from other Anacolosa species.

Taxonomic Monograph of Saxicolella (Podostemaceae), African waterfall plants highly threatened by Hydro-Electric projects, with five new species.

This paper describes five new species of Saxicolella, a genus of African waterfall plants threatened by hydro-electric projects, and assesses their conservation status.

A new, Critically Endangered species of Impatiens (Balsaminaceae) from the coastal plain of the Republic of Congo

The paper describes a new species of Impatiens from the Republic of Congo and assesses it as Critically Endangered due to habitat threats.

Immune defense in Drosophila melanogaster depends on diet, sex, and mating status

This study shows that mating status, sex, and diet affect immune defense in Drosophila melanogaster, with post-mating immunosuppression observed in both males and females.

Impatiens banen sp. nov. & I. etugei sp. nov. (Balsaminaceae), threatened lowland species of the Cross-Sanaga Interval, Cameroon

The paper describes two new Impatiens species from Cameroon, highlighting their restricted habitats and conservation status.

Two new threatened species of Rinorea (Violaceae), forest trees from East and South Regions, Cameroon

This paper describes two new tree species from Cameroon, discusses their conservation status, and highlights threats from habitat destruction.

The endemic plant species of Bali Ngemba Forest Reserve, Bamenda Highlands Cameroon, with a new Endangered cloud-forest tree species Vepris onanae (Rutaceae).

The paper documents new endemic plant species in Bali Ngemba Forest Reserve, Cameroon, and describes Vepris onanae as a new Endangered species with unique morphological traits.

Chemistry, Taxonomy and Ecology of the potentially chimpanzee-dispersed Vepris teva sp.nov. (Rutaceae) of coastal thicket in the Congo Republic

The paper describes a new Vepris species, Vepris teva, from the Congo Republic, reports its unique chemical compounds, and assesses its conservation status and potential chimpanzee seed dispersal.

The endemic plant species of Mt Kupe, Cameroon with a new Critically Endangered cloud-forest tree species, Vepris zapfackii (Rutaceae).

The paper updates endemic plant records of Mt Kupe, Cameroon, and describes a new Critically Endangered species, Vepris zapfackii, based on morphological analysis and conservation assessment.

Four new threatened species of Rinorea (Violaceae), treelets from the forests of Cameroon

The paper describes four new species of Rinorea from Cameroon's forests and assesses their conservation status as threatened.

Lukea gen. nov. (Monodoreae-Annonaceae) with two new species of shrub from the forests of the Udzungwas, Tanzania & Kaya Ribe, Kenya.

The paper describes a new genus and two new species of shrubs from Tanzania and Kenya, highlighting their unique morphological features and conservation status.

Uvariopsis ebo (Annonaceae) a new, Critically Endangered tree species from the Ebo Forest, Cameroon and a key to the Cameroonian species of Uvariopsis

The paper describes a new tree species, Uvariopsis ebo, from Cameroon, highlights its critically endangered status, and provides a revised key to Cameroonian Uvariopsis species.

Pseudohydrosme bogneri sp. nov. (Araceae), a spectacular Critically Endangered (Possibly Extinct) species from Gabon, long confused with Anchomanes nigritianus.

The paper identifies a new plant species, Pseudohydrosme bogneri, previously misclassified as Anchomanes nigritianus, and concludes it is Critically Endangered (Possibly Extinct).

Kupeantha yabassi (Coffeeae- Rubiaceae), a new Critically Endangered shrub species of the Ebo Forest area, Littoral Region, Cameroon

The paper describes a new Critically Endangered shrub species, Kupeantha yabassi, from Cameroon and discusses its conservation status and related species.

Deinbollia onanae (Sapindaceae), a new, Endangered, montane tree species from the Cameroon Highlands.

This paper formally names and characterizes Deinbollia onanae as a new, Endangered tree species endemic to the Cameroon Highlands, threatened by agricultural deforestation.

Taxonomic revision of the threatened African genus Pseudohydrosme Engl. (Araceae), with P. ebo, a new, Critically Endangered species from Ebo, Cameroon.

This paper revises the African genus Pseudohydrosme, identifying a new species, P. ebo, and assessing extinction risks for three species.

Nepenthes maximoides (Nepenthaceae) a new, Critically Endangered (Possibly Extinct) species in Sect. Alatae from Luzon, Philippines showing striking pitcher convergence with N. maxima (Sect. Regiae) of Indonesia.

The paper describes a new, Critically Endangered Nepenthes species from Luzon, Philippines, showing convergent evolution with an Indonesian species.