Gregory M. Plunkett

Heptapleurum actinophyllum (formerly Schefflera actinophylla) is a tree in the family Araliaceae. It is native to tropical rainforests and gallery forests in northern and northeastern Queensland coasts and the Northern Territory of Australia, as well as New Guinea and Java. Common names include Australian umbrella tree, Queensland umbrella tree, octopus tree and amate.

Azorelloideae is a subfamily in the family Apiaceae. It has been estimated it originated from South America.

Polyscias rodriguesiana is a species of rare flowering plant in the family Araliaceae. Formerly called Gastonia rodriguesiana, it is sometimes referred to by the common name "bois blanc".

Polyscias maraisiana is a species of plant in the family Araliaceae, formerly named Gastonia mauritiana. It is endemic to Mauritius, where it was formerly common on forest verges and also in coastal areas. It was formerly grown as an ornamental in Europe, partly on account of its strikingly heteroblastic leaves, however it is rarely found in international cultivation now. It is however beginning to be cultivated in its native country, as an ornamental landscaping plant - for gardens and public areas. It is named for the botanist Wessel Marais. It is one of several Polyscias species which are

Mackinlayoideae is a subfamily of plants containing about nine genera. In the APG II system it was treated at family rank as Mackinlayaceae, but since then it has been reclassified as a subfamily of Apiaceae. Platysace, which has been placed in this subfamily, is sister to all the remaining Apiaceae genera according to a 2021 molecular phylogenetic study, so is excluded from the subfamily.

Polyscias sandwicensis (formerly Reynoldsia sandwicensis), known in Hawaiian as the 'ohe makai or ʻOhe kukuluāeʻo, is a species of flowering plant in the family Araliaceae, that is endemic to Hawaii. It is a Hawaiian dry forest tree, adapted by being deciduous and losing its leaves during the regular summer drought. It reaches a height of 4.6–15 m (15–49 ft) high with a trunk diameter of 0.5–0.6 m (1.6–2.0 ft). It can be found at elevations of 30–800 m (98–2,625 ft) on most main islands. Polyscias sandwicensis generally inhabits lowland dry forests, but is occasionally seen in coastal mesic

Polyscias lionnetii is a species of plant in the family Araliaceae. It is endemic to Seychelles.

Azorella polaris, commonly known as the Macquarie Island cabbage, is a species of flowering plant usually placed in the family Araliaceae or Apiaceae and only very distantly related to cabbage. It is a megaherb, growing up to about a metre in height, native to the subantarctic islands of New Zealand and to Australia's Macquarie Island.

Sciodaphyllum euryphyllum is a species of plant in the family Araliaceae. It is endemic to Peru. It is known only from Junin Department, where it grows in Andean cloud forests.

Sciodaphyllum dolichostylum is a species of plant in the family Araliaceae. It a tree is native to Ecuador and Peru. It grows in Andean cloud forest, including in the departments of Puno and Cuzco in Peru.

Polyscias racemosa, or false 'ohe, is a species of flowering plant in the family Araliaceae. As Munroidendron racemosum, the species was until recently considered to be the only species in the monotypic genus Munroidendron. With the change in classification, Munroidendron is now obsolete. Polyscias racemosa is endemic to the Hawaiian island of Kauai. It is very rare in the wild and some of its original habitat has been replaced by sugar cane plantations. It was thought for some time to be probably extinct, but was rediscovered a few years prior to 1967. Using cladistic methods, phylogenetic

Polyscias oahuensis is a species of tree in the ivy family known by the common name 'ohe mauka. It is endemic to Hawaii, where it occurs on all the major islands except for Niihau and Kahoolawe. This tree has compound leaves each made up of 7 to 15 dull leaflets. It contains a clear sap. The fruits are black or purple in color and their seeds are dispersed by birds. This was the most variable species of the formerly recognized genus Tetraplasandra. The tree grows in moist to wet island forests.

Polyscias gymnocarpa, commonly known as the Koolau Range 'ohe or Koʻolau tetraplasandra, is a species of flowering plant in the family Araliaceae, that is endemic to the Hawaiian island of Oʻahu. It is threatened by habitat loss.

Delarbrea balansae is a species of flowering plant of family Myodocarpaceae. It is endemic to New Caledonia. It has previously been classified as the sole member of genus Pseudosciadium, but molecular and morphological studies point to its inclusion in the genus Delarbrea.

Sciodaphyllum urbanianum is a species of plant in the family Araliaceae. It is a tree endemic to Martinique.

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Polyscias verrucosa is a species of plant in the family Araliaceae. It is endemic to the island of Tahiti in the Society Islands of French Polynesia. It is listed as a species of "Least Concern" on the IUCN Red List.

Polyscias prolifera, synonym Arthrophyllum proliferum, is a species of plant in the family Araliaceae. It is endemic to Papua New Guinea.

Polyscias marchionensis is a species of plant in the family Araliaceae. It is endemic to the Marquesas Islands of French Polynesia.

Polyscias flynnii (known by the common names Flynn's ʻOhe and ʻOheʻohe) is a plant species endemic to the island of Kauai in Hawaii. It is rare, found only in one population covering about 1 km2 in the Kalalau Valley. It is regarded as threatened. It is threatened by feral goats and non-native plant species in its habitat. It was federally listed as an endangered species of the United States in 2010. This plant was first discovered in 1988 and described to science as a new species in 2000. There are only five individuals known to exist. Polyscias flynnii is a tree up to 9 m tall. Leaves are

Polyscias crassa is a species of plant in the family Araliaceae. It is endemic to Seychelles. It is threatened by habitat loss.

Polyscias montana, synonym Arthrophyllum montanum, is a species of plant in the family Araliaceae. It is a shrub or tree endemic to Peninsular Malaysia. It is threatened by habitat loss.

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Frodinia gleasonii, the yuquilla, is a species of plant in the family Araliaceae. It is endemic to Puerto Rico. It is found in ultramafic soils in the Cordillera Central. It is a montane forest tree.

Azorella schizeilema is a species of cushion plant in the Apiaceae family, native to the Auckland and Campbell Islands. If flowers from November to February, and fruits from November to March.

Polyscias spectabilis (syn. Gastonia spectabilis) is a canopy level, or lower emergent rainforest tree native to New Guinea, belonging to the family Araliaceae. Each branch blooms once with a terminal inflorescence, but then forms two widely spreading branches just beneath the inflorescence which together resemble the letter "U", giving the tree a unique appearance.

Polyscias pulgarensis, synonym Arthrophyllum pulgarense, is a species of plant in the family Araliaceae. It is endemic to the Philippines.