{{Short description|Species of tree}} {{speciesbox | name = | image = | image_caption = | status = EN | status_system = EPBC | genus = Xanthostemon | species = formosus | authority = Peter G. Wilson | synonyms = }} '''''Xanthostemon formosus''''' is a species of tree in the myrtle family Myrtaceae that is endemic to north-eastern Queensland, Australia.<ref name="RFK">{{cite web |url=https://apps.lucidcentral.org/rainforest/text/entities/Xanthostemon_formosus.htm |title=''Xanthostemon formosus'' |author1=F.A.Zich |author2=B.P.M.Hyland |author3=T.Whiffen |author4=R.A.Kerrigan |author2-link=Bernard Hyland |year=2020 |website=Australian Tropical Rainforest Plants Edition 8 (RFK8) |publisher=Centre for Australian National Biodiversity Research (CANBR), Australian Government |access-date=1 July 2021}}</ref> ==Description== The species may reach a height of 18 m with a stem diameter of 30 cm. The bark is grey and flaky. The crowded leaves are about 12–22 cm long by 2–4.5 cm wide, forming whorls on the twigs. The flowers are greenish-yellow. The fruits are globular, about 12–20 mm in diameter, containing flat seeds 4–5 mm across.<ref name="wilson1990">{{cite journal|last1=Wilson|first1=Peter G|date=1990-04-12|title=A revision of the genus Xanthostemon (Myrtaceae) in Australia|url=http://northqueenslandplants.com/Ozplants/Files/Xanthstemon.pdf|journal=Telopea|volume=3|issue=4|pages=451–476|doi=|access-date=16 March 2021}}</ref><ref name=RFK/> ==Distribution and habitat== Endemic to the wet tropics of north-eastern Queensland, the species is restricted to a few streams between the Daintree River and Cape Tribulation, with an altitudinal range from close to sea level to 100 m. It grows as a rheophyte along rocky or boulder-strewn streams flowing through rainforest.<ref name=RFK/> ==References== {{reflist}}
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formosus Category:Myrtales of Australia Category:Flora of Queensland Category:Endemic flora of Australia Category:Plants described in 1990 {{Myrtaceae-stub}}