''Thomasia'' is a genus of thirty-one species of flowering plants in the family

Malvaceae Malvaceae, or the mallows, is a family of flowering plants estimated to contain 244 genera with 4225 known species. Well-known members of economic importance include okra, cotton, cacao and durian. There are also some genera containing familiar ...

. Plants in this genus are small shrubs that are

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the south-west of Western Australia, apart from '' T. petalocalyx'' that is native to Victoria and South Australia. The leaves are

simple Simple or SIMPLE may refer to: *Simplicity, the state or quality of being simple Arts and entertainment * ''Simple'' (album), by Andy Yorke, 2008, and its title track * "Simple" (Florida Georgia Line song), 2018 * "Simple", a song by Johnn ...

with leaf-like stipules at the base of the petiole, the flowers

bisexual Bisexuality is a romantic or sexual attraction or behavior toward both males and females, or to more than one gender. It may also be defined to include romantic or sexual attraction to people regardless of their sex or gender identity, whi ...

with five papery, petal-like

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...

s, usually five petals and five

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 opposite the petals. The fruit is a capsule covered with star-like hairs.

Taxonomy

The genus ''Thomasia'' was first formally described in 1821 by Jaques Étienne Gay in '' Mémoires du Muséum d'Histoire Naturelle''. The name ''Thomasia'' honours Pierre Thomas, his son Abraham, and Abraham's sons Philippe, Louis and Emmanuel, a family of Swiss plant collectors.

Species list

The following is a listed of ''Thomasia'' species recognised by the

Australian Plant Census The Australian Plant Census (APC) provides an online interface to currently accepted, published, scientific names of the vascular flora of Australia, as one of the output interfaces of the national government Integrated Biodiversity Information Syst ...

as at December 2020: *''

Thomasia angustifolia ''Thomasia angustifolia'', commonly known as narrow-leaved thomasia, is a species of flowering plant in the family Malvaceae and is endemic to the south-west of Western Australia. It has densely hairy young stems, narrowly oblong, wrinkled leav ...

'' Steud. - narrow-leaved thomasia *''

Thomasia brachystachys ''Thomasia brachystachys'' is a species of flowering plant in the family Malvaceae and is endemic to the Southwest Australia south-west of Western Australia. It is an open, erect shrub with egg-shaped to heart-shaped leaves and pink to mauve flo ...

Turcz. Nikolai Stepanovich Turczaninow ( ru , Николай Степанович Турчанинов, 1796 in Nikitovka, now in Krasnogvardeysky District, Belgorod Oblast, Russia – 1863 in Kharkov) was a Russian botanist and plant collector who ...

*''

Thomasia cognata ''Thomasia cognata'' is a species of flowering plant in the family Malvaceae and is endemic to the south-west of Western Australia. It is a compact, multi-stemmed shrub with wrinkled, narrowly oblong to elliptic leaves and pale pink flowers. De ...

'' Steud. *'' Thomasia dielsii'' E.Pritz. *'' Thomasia discolor'' Steud. *'' Thomasia foliosa'' J.Gay *'' Thomasia × formosa'' Paust *'' Thomasia gardneri'' Paust - Mount Holland thomasia *'' Thomasia glabripetala'' S.J.Patrick *'' Thomasia grandiflora''

Lindl. John Lindley FRS (5 February 1799 – 1 November 1865) was an English botanist, gardener and orchidologist. Early years Born in Catton, near Norwich, England, John Lindley was one of four children of George and Mary Lindley. George Lindley w ...

- large-flowered thomasia *'' Thomasia macrocalyx'' Steud. *''

Thomasia macrocarpa ''Thomasia macrocarpa'', commonly known as large-fruited thomasia, is a shrub that is endemic to the southwest of Western Australia. Description ''Thomasia macrocarpa'' is a small, spreading shrub growing to about high and wide. The stems ...

Endl. Stephan Ladislaus Endlicher also known as Endlicher István László (24 June 1804, Pressburg, Bratislava (Pozsony) – 28 March 1849, Vienna) was an Austrian Empire, Austrian botanist, numismatist and Sinologist. He was a director of the Botan ...

- large-fruited thomasia *'' Thomasia microphylla'' Paust *''

Thomasia montana ''Thomasia montana'', commonly known as hill thomasia, is a species of flowering plant in the family Malvaceae and is endemic to the south-west of Western Australia. It is an upright to low, ground-covering shrub with hairy new growth, egg-shaped ...

'' Steud. - hill thomasia *'' Thomasia multiflora'' E.Pritz. *'' Thomasia paniculata''

*'' Thomasia pauciflora''

- few-flowered thomasia *''

Thomasia petalocalyx ''Thomasia petalocalyx'', commonly known as paper flower, is endemic to southern and western parts of Australia. The flowers are bell-like, a delicate pink with 5 papery segments and hang low to the ground. Description ''Thomasia petalocalyx'' ...

F.Muell. Baron Sir Ferdinand Jacob Heinrich von Mueller, (german: Müller; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Victo ...

- paper flower *'' Thomasia purpurea'' ( Dryand.) J.Gay *'' Thomasia pygmaea'' (

)

Benth. George Bentham (22 September 1800 – 10 September 1884) was an English botanist, described by the weed botanist Duane Isely as "the premier systematic botanist of the nineteenth century". Born into a distinguished family, he initially studie ...

- tiny thomasia *'' Thomasia quercifolia'' (

Andrews Andrews may refer to: Places Australia *Andrews, Queensland *Andrews, South Australia United States *Andrews, Florida (disambiguation), various places *Andrews, Indiana * Andrews, Nebraska *Andrews, North Carolina * Andrews, Oregon * Andrews, Sou ...

) J.Gay - oak-leaved thomasia *'' Thomasia rhynchocarpa''

*'' Thomasia rugosa''

- wrinkle-leaf thomasia *'' Thomasia rulingioides'' Steud. *'' Thomasia sarotes''

'' *'' Thomasia solanacea'' ( Sims) J.Gay *'' Thomasia stelligera'' (

)

*'' Thomasia tenuivestita''

*'' Thomasia tremandroides'' Paust *'' Thomasia triloba''

*'' Thomasia triphylla'' ( Labill.) J.Gay

References

External links

Malvaceae info: ''Thomasia'' galleryFloraBase: the Western Australian Flora: ''Thomasia''
{{Taxonbar, from=Q952089 Malvaceae genera