Pachystroma is a monotypic plant genus in the family Euphorbiaceae first described as a genus in 1865. It is the only genus of its tribe (Pachystromateae). The only known species is Pachystroma longifolium, native to Brazil, Bolivia and Peru.
Homonoia is a plant genus of the family Euphorbiaceae first described in 1790. These are rheophytes and usually found in groups at riverbanks in India, southern China, Southeast Asia, and New Guinea.
- Homonoia intermediaHaines - India
- Homonoia retusa Müll.Arg. - India
- Homonoia riparia Lour. - Guangxi, Guizhou, Hainan, Sichuan, Taiwan, Yunnan, Cambodia, India, Assam, Bhutan, Sri Lanka, Borneo, Java, Lesser Sunda Islands, Sulawesi, Sumatra, Maluku, Laos, Malaysia, Myanmar, Philippines, Thailand, Vietnam, New Guinea, Andaman & Nicobar Islands
Leidesia is a monotypic plant genus in the family Euphorbiaceae first described as a genus in 1866. The sole species is Leidesia procumbens. The species is widespread in Southern Africa as far north as Democratic Republic of the Congo.
Chondrostylis is a plant genus of the family Euphorbiaceae first described as a genus in 1897. It is native to Thailand, Peninsular Malaysia, Sumatra and Borneo.
- Chondrostylis bancanaBoerl. - Bangka, Kalimantan Tengah
- Chondrostylis kunstleri(King ex Hook.f.) Airy Shaw - S Thailand, W Malaysia, Borneo, Sumatra
Adenophaedra is a plant genus of the family Euphorbiaceae first described as a genus in 1874. It is native to tropical regions of South America and Central America.
- Adenophaedra cearensis Secco - Ceará
- Adenophaedra grandifolia (Klotzsch) Müll.Arg. - Costa Rica, Panama, Colombia, Venezuela, Guyana, French Guiana, Ecuador, Peru, NW Brazil
- Adenophaedra megaphylla (Mull.Arg.) Mull.Arg. - Colombia, Ecuador, Peru, Suriname, E Brazil
Discocleidion is a plant genus of the family Euphorbiaceae first described as a genus in 1914. It contains one accepted species, Discocleidion rufescens, endemic to China.
Alchorneopsis is a genus of flowering plants in the family Euphorbiaceae first described as a genus in 1865. It is native to Central America, the Greater Antilles, and northern South America.
- Alchorneopsis floribunda(Benth.) Müll.Arg. - Costa Rica, Honduras, Panama, Puerto Rico, Dominican Republic, 3 Guianas, Colombia, Venezuela, Ecuador, Peru, NW Brazil
- Alchorneopsis portoricensisUrb. - Puerto Rico
Cladogynos is a genus of shrubs in the family Euphorbiaceae, first described as a genus in 1841. It contains only one known species, Cladogynos orientalis, native to Southeast Asia and southern China.
Epiprinus is a genus of plant of the family Euphorbiaceae first described as a genus in 1854. It is native to Indochina, Sumatra, southern China, and the Indian Subcontinent.
- Epiprinus balansae(Pax & K.Hoffm.) Gagnep. - Vietnam
- Epiprinus lanceifoliusCroizat - Vietnam
- Epiprinus malayanusGriff. - Myanmar, Thailand, Peninsular Malaysia, Sumatra
- Epiprinus mallotiformis(Müll.Arg.) Croizat - southern India
- Epiprinus poilaneiGagnep. - Vietnam
- Epiprinus siletianus(Baill.) Croizat - Hainan, Yunnan, Assam, Laos, Myanmar, Thailand, Vietnam
Moultonianthus is a monotypic plant genus in the family Euphorbiaceae first described as a genus in 1916. The only known species is Moultonianthus leembruggianus, native to Borneo and Sumatra.
Galearia is a genus of plant of the family Pandaceae. It is native to Indochina, insular Southeast Asia, New Guinea and the Solomon Islands. They are large trees or shrubs which exude a white liquid.
Blumeodendron is a genus of dioecious trees of the family Euphorbiaceae first described as a genus in 1873. It is widespread across much of Southeast Asia and Papuasia.
Crotonogyne is a shrub of the spurge family (Euphorbiaceae) first described as a genus in 1864. It is native to western and central Africa.
Neoboutonia is a plant genus of the family Euphorbiaceae first described as a genus in 1864. It is the only genus in subtribe Neoboutoniinae, and native to tropical Africa.
- Neoboutonia macrocalyx Pax - Burundi, Cameroon, Rwanda, Zaire, Kenya, Tanzania, Uganda, Malawi, Zambia, Zimbabwe
- Neoboutonia manniiBenth. & Hook.f. - tropical Africa from Liberia to Mozambique
- Neoboutonia melleri(Müll.Arg.) Prain - tropical Africa from Nigeria to Mozambique
Neoroepera is a genus of plants in the Picrodendraceae first described as a genus in 1866. The entire genus is endemic to the State of Queensland in northeastern Australia.
- Neoroepera banksiiBenth. - Shire of Cook
- Neoroepera buxifoliaMüll.Arg. - Gladstone District
Pimelodendron is a plant genus in the family Euphorbiaceae first described as a genus in 1855. It is native to insular Southeast Asia, Thailand, Papuasia, and Queensland.
Strophioblachia is a genus of plants in the family Euphorbiaceae first described as a genus in 1900. It contains only one known species, Strophioblachia fimbricalyx, native to southern China, E Indochina, the Philippines, and Sulawesi.
Conosapium is a plant genus of the family Euphorbiaceae first described as a genus in 1863. It contains only one known species, Conosapium madagascariense, which is endemic to Madagascar.
Breynia is a plant genus in the family Phyllanthaceae, first described in 1776. It is native to Southeast Asia, China, the Indian Subcontinent, Papuasia, Australia, and the island of Réunion.
Chonocentrum is a genus of the family Phyllanthaceae described as a genus in 1922. It contains only known species, Chonocentrum cyathophorum, native to the State of Amazonas in northwestern Brazil.
