Thomasia

Thomasia is a genus of thirty-one species of flowering plants in the family Malvaceae. Plants in this genus are small shrubs that are endemic to the south-west of Western Australia, apart from P. petalocalyx that is native to Victoria and South Australia. The leaves are simple with leaf-like stipules at the base of the petiole, the flowers bisexual with five papery, petal-like sepals, usually five petals and five stamens opposite the petals. The fruit is a capsule covered with star-like hairs.[1][2][3]

Thomasia
Thomasia pygmaea
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Malvaceae
Subfamily: Byttnerioideae
Tribe: Lasiopetaleae
Genus: Thomasia
J.Gay
Species

See text.

Thomasia sarotes
Thomasia tenuivestita
Thomasia purpurea

Taxonomy

The genus Thomasia was first formally described in 1821 by Jaques Étienne Gay in Mémoires du Muséum d'Histoire Naturelle.[4][5] The name Thomasia honours Pierre Thomas, his son Abraham, and Abraham's sons Philippe, Louis and Emmanuel, a family of Swiss plant collectors.[5][6]

Species list

The following is a listed of Thomasia species recognised by the Australian Plant Census as at December 2020:[7]

References
  1. Short, Philip Sydney. "Thomasia". Royal Botanic Gardens Victoria. Retrieved 11 December 2020.
  2. "Thomasia". FloraBase. Western Australian Government Department of Parks and Wildlife.
  3. "Thomasia". State Herbarium of South Australia. Retrieved 11 December 2020.
  4. "Thomasia". APNI. Retrieved 11 December 2020.
  5. Gay, Jaques E. (1821). "Monographie des Cinq Genres de Plantes, Lasiopétalées". Mémoires du Muséum d'Histoire Naturelle. 7: 450–452. Retrieved 11 December 2020.
  6. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 118. ISBN 9780958034180.
  7. "Thomasia". Australian Plant Census. Retrieved 11 December 2020.
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