The Polygalaceae or the milkwort family are made up of flowering plants in the order Fabales. They have a near-cosmopolitan range, with about 21 genera and ca. 900 known species of herbs, shrubs and trees. Over half of the species are in one genus, Polygala, the milkworts.
Montrouziera is a genus of shrubs to large trees in the family Clusiaceae, endemic to New Caledonia. As usual in the Clusiaceae, species of this genus are known to contain xanthonoids. Montrouziera is related to the South American genus Platonia. Locally known as "houp", this genus was named after Xavier Montrouzier.
Stenocarpus is a genus of about 25 species of woody trees or shrubs, constituting part of the plant family Proteaceae.
Arillastrum is a monotypic genus of trees in the myrtle family, Myrtaceae, containing the single species Arillastrum gummiferum. It is endemic to southern New Caledonia. It is related to Eucalyptus, but more closely to Angophora and Corymbia.
Acropogon is a genus of flowering plants in the family Malvaceae. The genus is endemic to New Caledonia. It contains around 25 species. Its closest relatives are Australian genera: Argyrodendron, Brachychiton and Franciscodendron.
Xanthophyllum is a genus of about 109 species of trees and shrubs, of the plant family Polygalaceae;. The generic name is from the Greek meaning "yellow leaf", referring to how the leaves are often yellow when dry. In Borneo it is known as minyak berok in Malay or nyalin in the Iban language.
Oncotheca is a genus of tree endemic to New Caledonia. There are two species, Oncotheca balansae and Oncotheca humboldtiana.
Cossinia is a genus of four species of rainforest trees, constituting part of the plant family Sapindaceae. The genus has a disjunct distribution, occurring in Mascarene Islands, Australia, New Caledonia and Fiji.
Amphorogyne is a genus of hemiparasitic trees and shrubs in the family Santalaceae. The genus is endemic to New Caledonia in the Pacific and contains three species. Its closest relative is Daenikera, also endemic to New Caledonia.
Stromatopteris is a genus of fern in the family Gleicheniaceae, endemic to New Caledonia. The only species in the genus is Stromatopteris moniliformis. Its closest relative is the more widespread genus Gleichenia.
Nemuaron vieillardii is a species of trees in the Atherospermataceae family. It is endemic to New Caledonia and the only species of the genus Nemuaron. Its closest relative is the monotypic genus Atherosperma from Australia.
Sparattosyce is a genus of trees in the family Moraceae. The genus is endemic to New Caledonia in the Pacific and contains two species. Its closest relative is Antiaropsis from New Guinea.
Menepetalum is a genus of shrubs and small trees in the family Celastraceae. The genus is endemic to New Caledonia in the Pacific and contains four species. Its closest relative is Dinghoua from Australia.
Peripterygia marginata is a species of shrubs in the family Celastraceae. It is endemic to New Caledonia and the only species of the genus Peripterygia. Its closest relatives are Crossopetalum and Siphonodon.
Dicarpellum is a genus of shrubs and small trees in the family Celastraceae. The genus is endemic to New Caledonia in the Pacific and contains four species. Its closest relative is Hypsophila from Australia.
Daenikera corallina is a plant parasite species in the Santalaceae family. It is endemic to New Caledonia and the only species of the genus Daenikera. Its closest relative is Amphorogyne, also endemic to New Caledonia.
Depanthus is a genus of shrubs in the family Gesneriaceae. The genus is endemic to New Caledonia in the Pacific and contains two species. It is related to Negria and Lenbrassia.
Periomphale balansae is a species of shrub in the Alseuosmiaceae family. It is endemic to New Caledonia and the only species of the genus Periomphale. It has sometimes been included in the genus Wittsteinia.
Moutabea is a neotropical genus of Polygalaceae with about 10 species. It was first described in 1775 by Jean Aublet.
Philippe Morat is a researcher mainly in the field of tropical botany. He is a corresponding member of the French Academy of sciences.
