Prostanthera campbellii
{{Short description|Species of flowering plant}}
{{Speciesbox
| name =
| image = Prostanthera campbellii.jpg
| image_caption = Near Wiluna
| genus = Prostanthera
| species = campbellii
| authority = F.Muell.{{cite web|title=Prostanthera campbellii|url= https://biodiversity.org.au/nsl/services/apc-format/display/109363|publisher=Australian Plant Census|access-date=25 August 2020}}
| range_map = Prostanthera campbelliiDistA12.png
| synonyms_ref =
| range_map_caption = Occurrence data from AVH
| synonyms =
}}
Prostanthera campbellii is a species of flowering plant in the family Lamiaceae and is endemic to the south-west of Western Australia. It is an erect shrub with linear leaves and white to cream-coloured flowers with purple striations.
Description
Prostanthera campbellii is an erect shrub that typically grows to a height of {{cvt|0.5–1.5|m}}. The leaves are linear, yellowish green, {{cvt|11–28|mm}} long, {{cvt|0.5–1.5|mm}} wide and sessile. The flowers are arranged singly in two to sixteen upper leaf axils, each flower on a pedicel {{cvt|1.5–3|mm}} long. The sepals are green and form a tube {{cvt|2–4|mm}} long with two lobes, the lower lobe {{cvt|1–3|mm}} long and the upper lobe {{cvt|2–6.5|mm}} long. The petals are white to cream-coloured with purple striations near the base of the lobes, {{cvt|6.5–10|mm}} long and fused to form a tube {{cvt|3–6|mm}} long. The lower lip has three lobes, the centre lobe spatula-shaped, {{cvt|2.5–4.5|mm}} long and {{cvt|2–4.5|mm}} wide and the side lobes {{cvt|2–4.5|mm}} long and {{cvt|1–3|mm}} wide. The upper lip has two lobes {{cvt|2–5|mm}} long and {{cvt|2–6.5|mm}} wide. Flowering occurs from July to November.{{cite journal |last1=Conn |first1=Barry J. |title=A taxonomic revision of Prostanthera Labill. Section Prostanthera (Labiatae). 1. The species of the Northern Territory, South Australia and Western Australia. |journal=Nuytsia |date=1988 |volume=6 |issue=3 |pages=366–369 |url=https://www.biodiversitylibrary.org/item/223970#page/94/mode/1up |access-date=22 August 2020}}{{FloraBase|name=Prostanthera campbellii|id=6912}}
Taxonomy
Prostanthera campbellii was first formally described in 1882 by Ferdinand von Mueller in the journal Southern Science Record from specimens collected by John Forrest near the Gascoyne River.{{cite web|title=Prostanthera campbellii|url= https://id.biodiversity.org.au/instance/apni/540728|publisher=APNI|access-date=26 August 2020}}{{cite journal |last1=von Mueller |first1=Ferdinand |title=Definitions of some new Australian plants |journal=Southern Science Record |date=1882 |volume=2 |issue=11 |page=252 |url=https://www.biodiversitylibrary.org/item/131344#page/258/mode/1up |access-date=26 August 2020}} The specific epithet honours the politician Thomas Cockburn-Campbell.
Distribution and habitat
This mintbush grows on granite outcrops and rocky places in the South-West and Eremaean botanical regions of Western Australia.
Conservation status
Prostanthera campbellii is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.
References
{{Reflist}}
{{Taxonbar|from=Q15355261}}
Category:Flora of Western Australia
Category:Lamiales of Australia