Calothamnus schaueri

{{Short description|Species of flowering plant}}

{{Use Australian English|date=July 2024}}

{{Use dmy dates|date=July 2019}}

{{Speciesbox

|image =

|image_caption =

|genus = Calothamnus

|species = schaueri

|authority = Lehm.

|synonyms =

Melaleuca schaueri (Lehm.) Craven & R.D.Edwards

}}

Calothamnus schaueri is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a small, spreading, sometimes prostrate shrub, growing to a height of about {{convert|0.6|m|ft|sigfig=1}} with cylindrical leaves {{convert|100-200|mm|in|sigfig=1}} long. It has brownish red flowers from August to December.{{FloraBase|name=Calothamnus schaueri |id=5424 }}{{cite journal|last1=Hawkeswood|first1=Trevor J.|title=Nine new species of Calothamnus Labill. (Myrtaceae: Leptospermoideae) from Western Australia|journal=Nuytsia|date=1984|volume=5|issue=1|pages=124–125|url=https://florabase.dpaw.wa.gov.au/science/nuytsia/99.pdf|accessdate=4 August 2015}} The flowers have 4 petals and 4 narrow bundles of stamens. (In 2014 Craven, Edwards and Cowley proposed that the species be renamed Melaleuca planifolia.){{cite journal|last1=Craven|first1=Lyn A.|last2=Edwards|first2=Robert D.|last3=Cowley|first3=Kirsten J.|title=New combinations and names in Melaleuca (Myrtaceae)|journal=Taxon|date=30 June 2014|volume=63|issue=3|page=667|doi=10.12705/633.38|doi-access=free}}

Calothamnus schaueri was first formally described by Johann Lehmmann in 1842 in Delectus Seminum quae in Horto Hamburgensium botanico e collectione.{{cite web|title=Calothamnus planifolius|url=https://biodiversity.org.au/boa/instance/apni/527818|publisher=APNI|accessdate=4 August 2015}} The specific epithet (schaueri) honours Johannes Schauer.

Calothamnus schaueri occurs near Albany in the Esperance Plains, Jarrah Forest and Warren biogeographic regions where it grows in swamps near granite outcrops.{{cite book|last1=Paczkowska|first1=Grazyna|last2=Chapman|first2=Alex R.|title=The Western Australian flora : a descriptive catalogue|date=2000|publisher=Wildflower Society of Western Australia|location=Perth|isbn=0646402439|page=351}}

Calothamnus schaueri is classified as "not threatened" by the Western Australian government department of parks and wildlife.