Alectryon is a genus of about 30 species of trees and shrubs from the family Sapindaceae. They grow naturally across Australasia, Papuasia, Melanesia, western Polynesia, east Malesia and Southeast Asia, including across mainland Australia, especially diverse in eastern Queensland and New South Wales, the Torres Strait Islands, New Guinea, the Solomon Islands, New Caledonia, New Zealand, Vanuatu, Fiji, Samoa, Hawaii, Indonesia and the Philippines. They grow in a wide variety of natural habitats, from rainforests, gallery forests and coastal forests to arid savannas and heaths.
Alyxia is a genus of flowering plants in the 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.
Stenocarpus is a genus of about 22 species of flowering plants in the family Proteaceae. They are trees or shrubs with variably-shaped leaves, zygomorphic, bisexual flowers, the floral tube opening on the lower side before separating into four parts, followed by fruit that is usually a narrow oblong or cylindrical follicle.
Corybas, commonly known as helmet orchids, is a genus of about 120 species of plants in the orchid family, Orchidaceae. Helmet orchids are small, perennial, deciduous herbs and are nearly always terrestrial. They have a single leaf at their base and a single flower on a short stalk, the flower dominated by its large dorsal sepal and labellum. Species of Corybas are found in Australia, New Zealand, New Guinea, Southeast Asia, the Himalayas, southern China, many Pacific islands and a few sub-Antarctic islands.
Arytera is a genus of about twenty–eight species known to science, of trees and shrubs and constituting part of the plant family Sapindaceae. They grow naturally in New Guinea, Indonesia, New Caledonia, Australia, the Solomon Islands, Vanuatu, Fiji, Samoa, Tonga; and the most widespread species and type species A. littoralis grows throughout Malesia and across Southeast Asia, from NE. India, southern China, Borneo, Malaysia, Singapore, Indonesia and the Philippines to as far east as New Guinea and the Solomon Islands.
Geniostoma is a genus of around 49 species of flowering plants in the family Loganiaceae. They are shrubs or small trees, with inflorescences borne in the axils of the simple, petiolate, oppositely-arranged leaves. The flowers are arranged in cymes, and each is pentamerous.
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.
Ochrosia is a genus of flowering plants, first described in 1789. It is in the family Apocynaceae, native to Southeast Asia, Australia, and various islands of the Indian and Pacific Oceans.
Spiraeanthemum is a genus of trees and shrubs in the family Cunoniaceae. it includes about 19 species from Australia, New Guinea, Solomon Islands, New Caledonia, Vanuatu, Fiji and Samoa. Leaves are simple, opposite or whorled, with toothed or entire margins. Inflorescences are paniculate, flowers unisexual or hermaphrodite, and the fruits are follicular with free carpels. It belongs to the tribe Spiraeanthemeae, and now includes the species formerly placed in Acsmithia.
Parsonsia is a genus of woody vines in the family Apocynaceae. Species occur throughout Indomalaya, Australasia and Melanesia.
Pleioluma is a genus of flowering plants in the family Sapotaceae. It includes 40 species of evergreen hermaphroditic or gynodioecious trees, reaching up to 25 meters tall.
Didymocheton is a genus of flowering plants in the family Meliaceae. It includes 41 species which range from eastern India through Indochina and southern China to Malesia, Papuasia, eastern Australia, New Zealand, and the South Pacific.
Polyosma is a genus of about 90 species of trees native to south-east Asia. They occur from China south through south-east Asia to the east coast of Australia, New Guinea, the Solomon Islands and New Caledonia.
Atractocarpus is a genus of flowering plants in the family Rubiaceae. Its members are commonly known as native gardenias in Australia. The genus name is derived from the Ancient Greek terms atractos "spindle", and karpos "fruit", from the spindle-shaped fruit of the type species.
Octarrhena, commonly known as grub orchids, is a genus of flowering plants from the orchid family, Orchidaceae. Plants in this genus are small, orchids with short stems, thin roots, short, thick, fleshy leaves arranged in two ranks and tiny flowers. The labellum is rigidly attached to the base of the column. There are about fifty species native to areas from Sri Lanka and Malesia to the Western Pacific.
Peristylus, sometimes commonly known as ogre orchids or bog orchids is a genus of flowering plants from the orchid family, Orchidaceae. It consists of over 100 known species found across much of eastern and southern Asia as well as in Australia and on many islands of the Indian and Pacific Oceans.
Aceratium is a genus of about 20 species of trees and shrubs of eastern Malesia and Australasia from the family Elaeocarpaceae. In Australia they are commonly known as carabeens. They grow naturally in rainforests, as large shrubs to understorey trees and large trees.
Pterophylla is a genus of trees of the family Cunoniaceae, with species found growing naturally in Madagascar, Malesia, Papuasia, and the Pacific Islands, formerly included in Weinmannia.
Leichhardtia is a genus of flowering plants in the dogbane family (Apocynaceae). It includes 85 species native to mainland Australia, Papuasia, New Caledonia, and Lord Howe Island.
