Thomasia macrocarpa, commonly known as large-fruited thomasia,[2] is a shrub that is endemic to the southwest of Western Australia.

Thomasia macrocarpa
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Malvaceae
Genus: Thomasia
Species:
T. macrocarpa
Binomial name
Thomasia macrocarpa

Description edit

Thomasia macrocarpa is a small, spreading shrub growing to about 1.5 m (4 ft 11 in) high and 1 m (3 ft 3 in) wide. The stems are hairy, the grey-green leaves 30–120 mm (1.2–4.7 in) long and 15–70 mm (0.59–2.76 in) wide with finely toothed margins and star-shaped hairs. The leaves are heart to egg-shaped, velvety when young and become smooth as they age. The conspicuous pink to purple flowers are produced between August and November in the species' native range. Occasionally white flowers are seen. The flowers are about 10 mm (0.39 in) in diameter with a perianth consisting of two bracts and the pedicel 7–15 mm (0.28–0.59 in) long. The flower petals are small lobes and the surface is covered in star-shaped hairs. The flowers are followed by capsules containing black seeds which are shed from the plant when ripe.[2][3]

Taxonomy and naming edit

Thomasia macrocarpa was first formally described by Austrian botanist Stephan Endlicher in 1839 in Novarum Stirpium Decades, based on a horticultural specimen.[4][5] The specific epithet (macrocarpa) means "long- or large-fruited".[6]

Distribution and habitat edit

Large-fruited thomasia usually grows in damp places near creeks or in well-drained soil in shady places and is found on and near the Darling Scarp from Glen Forrest to Canning Dam, with an outlier further south near Cowaramup, in the Jarrah Forest, Swan Coastal Plain and Warren bioregions of south-western Western Australia.[2][7]

Conservation status edit

This thomasia is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions.[2]

References edit

  1. ^ "Thomasia macrocarpa". Australian Plant Census. Retrieved 17 September 2019.
  2. ^ a b c d "Thomasia macrocarpa". FloraBase W.A. Department of Biodiversity, Conservation and Attractions W.A. Retrieved 17 September 2019.
  3. ^ Wrigley, John W.; Fagg, Murray (2001). Australian Native Plants. Louise Eggerton-Reed New Holland. ISBN 1-876334-30-4.
  4. ^ "Thomasia macrocarpa". APNI. Retrieved 29 January 2023.
  5. ^ Endlicher, Stephan F.L. (1839). Endlicher, Stephan F.L.; Fenzl, Edouard (eds.). Novarum Stirpium Decades. Vol. 4. p. 32. Retrieved 29 January 2023.
  6. ^ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 246. ISBN 9780958034180.
  7. ^ Blake, Trevor L. (2021). Lantern bushes of Australia ; Thomasias & allied genera : a field and horticultural guide. Victoria: Australian Plants Society, Keilor Plains Group. pp. 34–35. ISBN 9780646839301.