Prostanthera prostantheroides is a plant in the family Lamiaceae and is endemic to Western Australia. It is a shrub with heart-shaped to round leaves and usually white flowers with purple spots inside the petal tube.
| Prostanthera prostantheroides | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Genus: | Prostanthera |
| Species: | P. prostantheroides
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| Binomial name | |
| Prostanthera prostantheroides | |
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| Occurrence data from AVH | |
| Synonyms[1] | |
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Description
editProstanthera prostantheroides is a small shrub that typically grows to a height of up to 50 cm (20 in) and has stems that become spiny with age. The leaves are heart-shaped to round, 1–4 mm (0.039–0.157 in) long and about 1 mm (0.039 in) wide on a very short petiole. The flowers are arranged at the ends of the branches on pedicels 1–4 mm (0.039–0.157 in) long with bracteoles 3–4 mm (0.12–0.16 in) long at the base but that fall off as the flower develops. The sepals form a tube 3–3.5 mm (0.12–0.14 in) long with two lobes, the upper lobe about 3.5 mm (0.14 in) wide and the lower lobe about 3 mm (0.12 in) wide. The petals are 8–15 mm (0.31–0.59 in) long, white with purple, mauve to violet or red spots inside, and form a tube about 7 mm (0.28 in) long. The lower middle lobe is about 5 mm (0.20 in) wide and the side lobes are about 4 mm (0.16 in) long and 3 mm (0.12 in) wide, the upper lobes 3–3.5 mm (0.12–0.14 in) long and 2–2.5 mm (0.079–0.098 in) wide. Flowering occurs in August, September or October.[2][3]
Taxonomy
editThis species was first formally described in 1876 by Ferdinand von Mueller who gave it the name Wrixonia prostantheroides in his book Fragmenta phytographiae Australiae, based on plant material collected from the vicinity of Mount Churchman by Jess Young.[4][5] In 2012, Trevor Wilson, Murray Henwood and Barry Conn changed the name to Prostanthera prostantheroides in the journal Telopea.[6][7]
Distribution
editProstanthera prostantheroides occurs in the Avon Wheatbelt, Coolgardie, Murchison and Yalgoo biogeographic regions of Western Australia.
Conservation status
editThis mintbush is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[2]
References
edit- ^ a b "Prostanthera prostantheroides". Australian Plant Census. Retrieved 19 September 2020.
- ^ a b "Prostanthera prostantheroides". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
- ^ Carrick, John (1976). "Studies in Australian Lamiaceae 1. The genus Wrixonia F.Muell. (Prostantheroideae)" (PDF). Journal of the Adelaide Botanic Gardens. 1 (1): 28–30. Retrieved 19 September 2020.
- ^ "Wrixonia prostantheroides". Australian Plant Name Index. Retrieved 19 September 2020.
- ^ von Mueller, Ferdinand (1876). Fragmenta phytographiae Australiae. Vol. 10. Melbourne: Victorian Government Printer. pp. 18–19. Retrieved 19 September 2020.
- ^ "Prostenthera prostantheroides". Australian Plant Name Index. Retrieved 19 September 2020.
- ^ Wilson, T.C., Henwood, M.J. & Conn, B.J. (2012). "Status of the genus Wrixonia F.Muell. (Lamiaceae)". Telopea. 14: 2–3. doi:10.7751/telopea2012001.
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