''Greyia'' is a genus of

plant Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclud ...

in family

Francoaceae The Francoaceae are a small family of flowering plants in the order Geraniales, including the genera '' Francoa'', commonly known as bridal wreaths, and '' Tetilla''. The Francoaceae are recognized as a family under various classification schemes ...

. It contains three species: * ''

Greyia flanaganii ''Greyia flanaganii'', commonly known as the Kei bottlebrush, is a species of plant in the Francoaceae family. ''Greyia flanaganii'' is one of the related species of the taxonomically isolated and endemic southern African family, the Greyiaceae. ...

'', Bolus * ''

Greyia radlkoferi ''Greyia radlkoferi'', the woolly bottlebrush or Natal bottlebrush, is a shrub or small tree, native to South Africa. It grows up to 5 metres in height and has smooth yellowish bark, becoming grey and deeply furrowed as it matures. The leaves ar ...

'' * ''

Greyia sutherlandii ''Greyia sutherlandii'', also known as Natal bottlebrush, is a species of plant in the Francoaceae family. It is endemic to South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost cou ...

'' Unlike other plants sometimes included in the family Melianthaceae, ''Greyia'' has simple (undivided)

leaves A leaf (plural, : leaves) is any of the principal appendages of a vascular plant plant stem, stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", wh ...

, flowers with ten

stamen The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filame ...

s, and

ovaries The ovary is an organ in the female reproductive system that produces an ovum. When released, this travels down the fallopian tube into the uterus, where it may become fertilized by a sperm. There is an ovary () found on each side of the body. T ...

with parietal

placentation Placentation refers to the formation, type and structure, or arrangement of the placenta. The function of placentation is to transfer nutrients, respiratory gases, and water from maternal tissue to a growing embryo, and in some instances to remove ...

. Because of this, the genus has sometimes been placed in a separate family Greyiaceae, but under the

APG II system The APG II system (Angiosperm Phylogeny Group II system) of plant classification is the second, now obsolete, version of a modern, mostly molecular-based, system of plant taxonomy that was published in April 2003 by the Angiosperm Phylogeny Gro ...

and

APG III system The APG III system of flowering plant classification is the third version of a modern, mostly molecular-based, system of plant taxonomy being developed by the Angiosperm Phylogeny Group (APG). Published in 2009, it was superseded in 2016 by a fur ...

of classification, it was included in the

Melianthaceae The Melianthaceae are a family of flowering plants. The APG II system includes them within the rosid clade. All members of Melianthaceae proper are trees or shrubs found in tropical and southern Africa. Francoaceae (the Bridal wreaths) are so ...

. Under the

APG IV system The APG IV system of flowering plant classification is the fourth version of a modern, mostly molecular-based, system of plant taxonomy for flowering plants (angiosperms) being developed by the Angiosperm Phylogeny Group (APG). It was publishe ...

, it is included in the Francoaceae.

References

Geraniales genera Taxonomy articles created by Polbot {{Geraniales-stub