Plant and Fungal Species Descriptions

Taxonomic notes on New Zealand orchids II: typification of Nematoceras trilobus Hook.f. and the names of four Thelymitra species described by William Colenso.

The paper typifies five New Zealand orchid species names, including lectotypes for four Thelymitra species and a holotype for Thelymitra concinna, and discusses synonymy between T. decora and T. nervosa.

New Callicarpa (Lamiaceae) taxa: Two species and a natural hybrid from Hahajima Island, Ogasawara Islands, Japan

The paper describes two new Callicarpa species and a natural hybrid from Hahajima Island, Japan, along with a species identification key.

A taxonomic synopsis of Heterotis (Melastomataceae), including H. kupensis, a new threatened species endemic to Mt Kupe, Cameroon

The paper describes a new species of Heterotis from Cameroon and provides taxonomic updates for the genus.

Keetia tinka sp. nov. & K. kounounkan sp.nov. (Rubiaceae - Vanguerieae) new threatened forest climbers and shrubs of sandstone plateau of the Republic of Guinea.

Two new Keetia species from Guinea are described, with conservation status assessments.

Notes on the endemic and near endemic threatened rainforest plant species of Banyang Mbo Wildlife Sanctuary, SW Region, Cameroon, and Tricalysia banyangmbo sp nov. (Rubiaceae-Coffeeae) a new coffee relative.

The paper describes a new plant species, Tricalysia banyangmbo, found in Cameroon's Banyang Mbo Wildlife Sanctuary, which is assessed as Critically Endangered due to habitat threats.

Placodiscus bijugus (Sapindaceae) a new species of Endangered lowland evergreen forest tree from the western foothills of Mt Cameroon and from Korup National Park, Cameroon.

The paper describes a new species of tree, Placodiscus bijugus, found in Cameroon, and assesses its conservation status as Endangered due to its restricted range and threats.

Keetia magassoubiana sp. nov. (Rubiaceae - Vanguerieae) a threatened evergreen forest climber of West Africa

The paper describes a new species of evergreen rainforest climber, Keetia magassoubiana, from West Africa and assesses its conservation status as Endangered due to habitat loss.

Virectaria stellata (Sabiceeae Rubiaceae), a new sandstone cliff species from the Republic of Guinea with stellate hairs recorded for the first time in the Rubiaceae

The paper describes a new plant species, Virectaria stellata, from Guinea, noting its unique stellate hairs and habitat in sandstone cliffs.