Monotypic Ranunculales genera

Bongardia is a very small genus of plants belonging to the family Berberidaceae, and first described in 1831. There are only two known species, Bongardia chrysogonum C.A.Mey., native to North Africa, Greece, and the Middle East and B. margalla R.R.Stewart ex Qureshi & Chaudhri, native to Pakistan. The genus was monotypic until 1996, when the Pakistani populations were recognised by Govaerts as belonging to a second, distinct species.

thumb|Flowers of Lardizabala biternata

Nandina domestica ( ) commonly known as nandina, heavenly bamboo or sacred bamboo, is a species of flowering plant in the family Berberidaceae, native to eastern Asia from the Himalayas to Japan. It is the only member of the monotypic genus Nandina. Despite its name, it is not a true bamboo.

Circaeaster agrestis is a flowering plant species and one of only one to two species in its family, the Circaeasteraceae. The plant is a small, glabrous herb found in temperate zones from the northwest Himalaya to northwest China.

Boquila is a genus of flowering plants in the family Lardizabalaceae, endemic to temperate forests of central and southern Chile and Argentina. It is monotypic, being represented by the single species Boquila trifoliolata, locally known as voqui blanco or pilpil in its native range, or the chameleon vine since a 2014 report on leaf mimicry. The species was first described in 1782 by Juan Ignacio Molina, and the genus was established in 1839 by Joseph Decaisne. B. trifoliolata forms non-parasitic vines that wind around host plants, using them for structure and protection. B. trifoliolata is mon

Jeffersonia, also known as twinleaf or rheumatism root, is a small genus of herbaceous perennial plants in the family Berberidaceae. They are uncommon spring wildflowers and grow in limestone soils of rich deciduous forests. Jeffersonia was named for United States President Thomas Jefferson by his contemporary Benjamin Smith Barton. This genus was formerly grouped in genus Podophyllum. Twinleaf is protected by state laws as a threatened or endangered plant in Georgia, Iowa, New York, and New Jersey.

Xanthorhiza simplicissima (yellowroot) is the only member of the genus Xanthorhiza, and one of very few genera in the family Ranunculaceae with a woody stem (the other notable example being Clematis). It is native to the eastern United States from Maine south to northern Florida and west to Ohio and eastern Texas. It contains the alkaloid berberine, which has a number of traditional and contemporary uses for dyeing and medicine.

Sargentodoxa is a monotypic genus of flowering plants belonging to the family Lardizabalaceae. It only contains one known species, Sargentodoxa cuneata (Oliv.) Rehder & E.H.Wilson.

Sinomenium is a genus of plant in family Menispermaceae first described as a genus in 1910. It contains only one known species, Sinomenium acutum, native to China, northern India, Nepal, Japan, northern Thailand, and also Korea.

Sinofranchetia is a genus of flowering plant in the Lardizabalaceae family. It contains a single species, Sinofranchetia chinensis, endemic to China.

Sinopodophyllum is a herbaceous perennial plant in the family Berberidaceae, described as a genus in 1979. It includes only one known species, Sinopodophyllum hexandrum, native to Afghanistan, Bhutan, northern India, Kashmir, Nepal, Pakistan, and western China (Gansu, Qinghai, Shaanxi, Sichuan, Tibet, Yunnan). Common names include Himalayan may apple and Indian may apple.

Leptopyrum is a monotypic genus of flowering plants belonging to the family Ranunculaceae. The only species is Leptopyrum fumarioides, native to north and east Asia.

Dialytheca is a monotypic genus of flowering plants belonging to the family Menispermaceae. The only species is Dialytheca gossweileri.

Platytinospora is a monotypic genus of flowering plants belonging to the family Menispermaceae. The only species is Platytinospora buchholzii.

Sarcolophium is a monotypic genus of flowering plants belonging to the family Menispermaceae. The only species is Sarcolophium suberosum.

Plagiorhegma is a monotypic genus of flowering plants belonging to the family Berberidaceae. The only species is Plagiorhegma dubium, the Asian twinleaf.

Leptoterantha is a monotypic genus of flowering plants belonging to the family Menispermaceae. The only species is Leptoterantha mayumbensis.

Pleogyne is a monotypic genus of flowering plants belonging to the family Menispermaceae. The only species is Pleogyne australis.

Macrococculus is a monotypic genus of flowering plants belonging to the family Menispermaceae. The only species is Macrococculus pomifer.

Peltocalathos is a monotypic genus of flowering plants belonging to the family Ranunculaceae. The only species is Peltocalathos baurii.

Elephantomene is a monotypic genus of flowering plants belonging to the family Menispermaceae. The only species is Elephantomene eburnea.

Calycocarpum (cupseed) is a monotypic genus of flowering plants in the family Menispermaceae. The only species currently accepted is Calycocarpum lyonii endemic to the southeastern United States.

Sphenocentrum is a monotypic genus of flowering plants belonging to the family Menispermaceae. The only species is Sphenocentrum jollyanum.

Strychnopsis is a monotypic genus of flowering plants belonging to the family Menispermaceae. The only species is Strychnopsis thouarsii.