J. M. Onana

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.

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.

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.

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.

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.

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.

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.

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.

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.