Isopogon dubius
{{Short description|Species of shrub endemic to the southwest of Western Australia}}
{{Use dmy dates|date=July 2019}}
{{Speciesbox
|name = Pincushion coneflower
|image = Drummond res-10.JPG
|image_caption = Isopogon dubius in the Dryandra Woodland
|genus = Isopogon
|species = dubius
|authority = (R.Br.) Druce{{cite web|title=Isopogon dubius|url= https://biodiversity.org.au/nsl/services/apc-format/display/84273|publisher=Australian Plant Census|access-date=23 November 2020}}
|synonyms =
- Atylus roseus (Lindl.) Kuntze
- Petrophila dubia R.Br. orth. var.
- Petrophile dubia R.Br.
- Isopogon scaber auct. non Lindl.: Meisner, C.D.F. in Lehmann, J.G.C. (ed.)
|range_map = Isopogon dubiusDistMap16.png
|range_map_caption = Occurrence data from Australasian Virtual Herbarium
}}
File:Isopogon dubius habit.jpg]]
Isopogon dubius, commonly known as pincushion coneflower,{{FloraBase|name=Isopogon dubius|id=2229}} is a species of plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a shrub with sharply-pointed, deeply lobed or pinnate leaves and more or less spherical heads of pink to reddish pink flowers.
Description
Isopogon dubius is a shrub that typically grows to a height of {{cvt|0.5–1.5|m}} and has hairy reddish brown branchlets, the young branchlets and young leaves hairy. The leaves are deeply 3-lobed or pinnate, {{cvt|25–55|mm}} long on a petiole about {{cvt|20|mm}} long, the tips of the lobes, or of the leaflets, sharply-pointed. The flowers are arranged in sessile, more or less spherical heads {{cvt|40–50|mm}} in diameter with many hairy, egg-shaped involucral bracts at the base. The flowers are {{cvt|25–30|mm}} long, pink to reddish pink and glabrous. Flowering occurs from July to September and the fruit is a hairy nut, fused with others in hemispherical head up to {{cvt|30|mm}} in diameter.{{cite web |last1=Foreman |first1=David B. |title=Isopogon dubius |url=https://profiles.ala.org.au/opus/foa/profile/Isopogon%20dubius |publisher=Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra |access-date=23 November 2020}}{{cite web |title=Isopogon dubius |url=http://anpsa.org.au/i-dub.html |publisher=Australian Native Plants Society (Australia) |access-date=23 November 2020 |archive-date=1 April 2021 |archive-url=https://web.archive.org/web/20210401164841/http://anpsa.org.au/i-dub.html |url-status=dead }}
Taxonomy
Pincushion coneflower was first formally described in 1830 by Robert Brown who gave it the name Petrophile dubia in the Supplementum to his Prodromus Florae Novae Hollandiae et Insulae Van Diemen from specimens collected in 1827 near the Swan River, by Charles Fraser.{{cite web|title=Petrophile dubia|url= https://id.biodiversity.org.au/instance/apni/464387|publisher=APNI|access-date=23 November 2020}}{{cite book|last1=Brown|first1=Robert|title=Supplementum primum prodromi florae Novae Hollandiae |date=1830|location=London|page=7 |url=https://www.biodiversitylibrary.org/item/77294#page/521/mode/1up |access-date=22 November 2020}} In 1917 George Claridge Druce changed the name to Isopogon dubius in The Botanical Exchange Club and Society of the British Isles Report for 1916.{{cite web |title=Isopogon dubius |url=https://id.biodiversity.org.au/instance/apni/502303 |publisher=Australian Plant Name Index |access-date=23 November 2020}}{{cite journal |last1=Druce |first1=George C. |title=Nomenclatorial Notes: chiefly African and Australian |journal=The Botanical Exchange Club and Society of the British Isles Report for 1916, Suppl. 2 |date=1917 |volume=Supplement 2 |page=629 |url=https://www.biodiversitylibrary.org/page/49460228#page/701/mode/1up |access-date=23 November 2020}}
Distribution and habitat
Isopogon dubius grows in woodland and heath, mainly on the Darling Range from near Wongan Hills to Narrogin in the Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest and Swan Coastal Plain in the south-west of Western Australia.
Conservation status
This isopogon is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife.
Use in horticulture
References
{{Commons category}}
{{Reflist}}
{{Taxonbar|from=Q6086239}}
Category:Eudicots of Western Australia