Monotypic asterid genera

Curtisia dentata (commonly known as the Assegai tree or Cape lancewood, , , ) is a flowering tree from Southern Africa. It is the sole species in genus Curtisia, which was originally classed as a type of "dogwood" (Cornaceae), but is now placed in its own unique family Curtisiaceae.

Linnaea borealis is a species of flowering plant in the family Caprifoliaceae (the honeysuckle family). It is the only species in the genus Linnaea. It is a boreal to subarctic woodland subshrub, commonly known as twinflower (sometimes written twin flower).

Nardostachys is a genus of flowering plant in the honeysuckle family (Caprifoliaceae). Nardostachys jatamansi is the sole species in genus.

Eremosyne pectinata, the sole species in the genus Eremosyne, is an annual herb endemic to the south coast of Western Australia.

Carpenteria , the tree anemone or bush anemone, is a genus of flowering plants in the hydrangea family Hydrangeaceae. It is closely related to the similar genus Philadelphus and is monotypic, being represented by the single species Carpenteria californica which is a flowering evergreen shrub native to the Sierra Nevada foothills in California.

Heptacodium miconioides, the seven-son flower, is a species of flowering plant. It is the sole species in the monotypic genus Heptacodium, of the honeysuckle family Caprifoliaceae. The common name "seven-son flower" is a direct translation of the Standard Chinese name 七子花 qī zi huā.

thumb|left|Staminate (male) flowers Broussaisia arguta, the kanawao, is a species of perennial flowering plant in the Hydrangea family, Hydrangeaceae, that is endemic to Hawaii. It is the only species in the monotypic genus Broussaisia.

Fuertesia is a genus of flowering plants in the family Loasaceae. It has only one currently accepted species, Fuertesia domingensis, native to Hispaniola. It is a woody climbing liana.

Kolkwitzia amabilis , commonly known as beauty bush, is a species of flowering plant in the family Caprifoliaceae. It is the sole species in genus Kolkwitzia. It is a deciduous shrub grown as an ornamental plant. In China, where it originated, the plant is called wèi shí shu (蝟实).

Merrilliodendron is a monotypic genus of flowering plants belonging to the family Icacinaceae. It has a synonym of Peekeliodendron . The only species is Merrilliodendron megacarpum

Paracryphia is a genus of a single species, Paracryphia alticola, a small tree or shrub endemic to New Caledonia in the family Paracryphiaceae. Its closest relative is Sphenostemon.

Natsiatopsis is a monotypic genus of flowering plants belonging to the family Icacinaceae. The only species is Natsiatopsis thunbergiifolia.

Cantleya is a genus of plant in the family Stemonuraceae. The sole species is Cantleya corniculata, found in Indonesia and Malaysia.

Cevallia sinuata or stinging serpent is a species of flowering plant belonging to the family Loasaceae. It is a perennial or subshrub native to northern Mexico and the southern central United States from Arizona to Oklahoma. It is the sole species in genus Cevallia.