Alyxia is an Australasian genus of flowering plant in the dogbane family, Apocynaceae. It contains at present 106 species, but Alyxia stellata and A. tisserantii are very variable, might be cryptic species complexes, and are need of further study. It consists of shrubby, climbing or scrambling plants. This genus occurs in China, the Himalayas, Southeast Asia, Australia, New Caledonia and the Pacific Islands. There are 14 species in Australia, 21 in New Caledonia and 7 in the other Pacific Islands, including Hawaiʻi.
Centrolepis is a genus of small herbaceous plants in the family Restionaceae known as thorn grass scales, with about 25 species native to Australia, New Zealand, New Guinea, and south-east Asia as far north as Hainan Dao. APG III system classifies this genus in the Centrolepidaceae family.
Arenga is a genus of palms, native to Southeast Asia, southern China, New Guinea, and northern Australia. They are small to medium-sized palms, growing to 2–20 m tall, with pinnate leaves 2–12 m long. Arenga palms can grow in areas with little sunlight and relatively infertile soil.
Barringtonia is a genus of flowering plants in the family Lecythidaceae first described as a genus with this name in 1775. It is native to Africa, southern Asia, Australia, and various islands of the Pacific and Indian Oceans. The genus name commemorates Daines Barrington.
Bothriochloa is a common and widespread genus of plants in the grass family native to many countries on all inhabited continents and many islands. They are often called beardgrass, bluegrass or bluestem. Some species are invasive in areas where they have been introduced.
Melodinus is a genus of plant in the family Apocynaceae, first described as a genus in 1776. It is native to Indomalaya, Meganesia and various islands in the western Pacific. A type of monoterpenoid indole alkaloids called melodinines can be isolated from Melodinus plants.
Xanthostemon is a genus of plants in the myrtle family Myrtaceae, first described in 1857 by the German–born Australian botanist Ferdinand von Mueller. The genus is distributed across Malesia, Papuasia and northern Australia. The genera Pleurocalyptus and Purpureostemon from New Caledonia are morphologically close to Xanthostemon.
Parsonsia is a genus of woody vines in the family Apocynaceae. Species occur throughout Indomalaya, Australasia and Melanesia.
Gahnia is a genus of sedges native to China, Southeast Asia, New Guinea, Australia, New Zealand and a number of Pacific Islands. The common name is due to the toothed margins. It often forms tussocks.
Coelachne is a genus of Asian, African, and Australian plants in the grass family.
Cleistochloa is a genus of bunchgrasses in the family Poaceae, found in southwestern in Oceania.
Chionachne is a genus of Asian, Australian, and Papuasian plants in the grass family.
Schizachyrium is a widespread genus of plants in the grass family. The name is derived from the Ancient Greek words σχίζειν, meaning "to split," and ἄχυρον, meaning "chaff." It refers to either the glume or the toothed lemmas.
Whiteochloa is a genus of plants in the grass family.
Germainia is a genus of Chinese, Asian and Australian plants in the grass family.
Heterachne is a genus of Australian plants in the grass family.
Iseilema, commonly known in Australia as Flinders grass, is a genus of Asian and Australian plants in the grass family.
Leptaspis is a genus of Paleotropical plants in the grass family, native to Africa, southern Asia, northern Australia, and a few islands of the western Pacific.
Anisomeles is a genus of herbs of the family Lamiaceae and is native to China, the Indian Subcontinent, Southeast Asia, New Guinea, Australia, Madagascar, and some Pacific and Indian Ocean islands. Plants in the genus Anisomeles have small, flat, narrow elliptic to narrow e.g.-shaped leaves arranged in opposite pairs, the edges of the leaves sometimes wavy or serrated. The flowers are arranged in groups, with five sepals and five petals in two "lips", the lower lip with three lobes, the middle lobe much longer than the side lobes. There are four stamens that extend beyond the petals and a single style in a depression on top of the ovary. The fruit is a schizocarp with four nutlets containing small seeds.
