''Xerochrysum'' ( syn. ''Bracteantha'') is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s native to Australia. It was defined by Russian botanist Nikolai Tzvelev in 1990, preceding (and taking precedence over) ''Bracteantha'' which was described the following year. A 2002 molecular study of the tribe

Gnaphalieae The Gnaphalieae are a tribe of flowering plants in the family Asteraceae. It is most closely related to the tribes Anthemideae, Astereae, and Calenduleae. Characteristics This group is most diverse in South America, Southern Africa and Australi ...

has indicated the genus is probably

polyphyletic A polyphyletic group is an assemblage of organisms or other evolving elements that is of mixed evolutionary origin. The term is often applied to groups that share similar features known as homoplasies, which are explained as a result of conver ...

, with ''X. bracteatum'' and ''X. viscosum'' quite removed from each other.

Species

This genus and its species names were formerly included in ''Bracteantha'' and before that in ''

Helichrysum The genus ''Helichrysum'' consists of an estimated 600 species of flowering plants in the sunflower family (Asteraceae). The type species is '' Helichrysum orientale''. They often go by the names everlasting, immortelle, and strawflower. The nam ...

''. the authoritative ''

Australian Plant Name Index The Australian Plant Name Index (APNI) is an online database of all published names of Australian vascular plants. It covers all names, whether current names, synonyms or invalid names. It includes bibliographic and typification details, informati ...

'' recognises seven formally named species and five accepted species awaiting formal naming, description and publication: * ''

Xerochrysum bicolor ''Xerochrysum bicolor'' is a flowering plant in the family Asteraceae, native to Tasmania ) , nickname = , image_map = Tasmania in Australia.svg , map_caption = Location ...

'' – Tasmania * ''

Xerochrysum bracteatum ''Xerochrysum bracteatum'', commonly known as the golden everlasting or strawflower, is a flowering plant in the family Asteraceae native to Australia. Described by Étienne Pierre Ventenat in 1803, it was known as ''Helichrysum bracteatum'' fo ...

'' , strawflower or golden everlasting – NSW, Vic, Tas, SA, Qld, NT, WA * ''

Xerochrysum collierianum ''Xerochrysum'' ( syn. ''Bracteantha'') is a genus of flowering plants native to Australia. It was defined by Russian botanist Nikolai Tzvelev in 1990, preceding (and taking precedence over) ''Bracteantha'' which was described the following year. ...

'' – Tasmania * ''

Xerochrysum palustre ''Xerochrysum'' ( syn. ''Bracteantha'') is a genus of flowering plants native to Australia. It was defined by Russian botanist Nikolai Tzvelev in 1990, preceding (and taking precedence over) ''Bracteantha'' which was described the following year. ...

'' , swamp everlasting, syn.: ''Bracteantha'' sp. aff. ''subundulata'' – Vic, Tas * ''

Xerochrysum papillosum ''Xerochrysum papillosum'' is a herbaceous shrub in the family Asteraceae, native to southern Victoria and Tasmania ) , nickname = , image_map = Tasmania in Australia.svg , map_caption ...

'' – Vic, Tas * ''

Xerochrysum subundulatum ''Xerochrysum subundulatum'' (commonly named the alpine everlasting or orange everlasting) is a flowering plant in the family Asteraceae, native to Australia, growing in Victoria, New South Wales and Tasmania ) , nickname ...

'' , alpine everlasting or orange everlasting – NSW, ACT, Vic, Tas * ''

Xerochrysum viscosum ''Xerochrysum viscosum'' ( syn. ''Bracteantha viscosa'' (DC.) Anderb., ''Helichrysum viscosum'' Sieber ex Spreng., ''Helichrysum bracteatum'' var. ''viscosum'' Sieber ex DC., sticky everlasting) is a flowering plant in the family Asteraceae, nati ...

'' , sticky everlasting – NSW, ACT, Qld, Vic ;Species provisionally named, described and accepted by the authoritative Australian Plant Name Index while awaiting formal publication * ''Xerochrysum'' sp. Glencoe (M.Gray 4401) NE Herbarium – Qld, NSW * ''Xerochrysum'' sp. Mt Merino [

Lamington National Park The Lamington National Park is a national park, lying on the Lamington Plateau of the McPherson Range on the Queensland/New South Wales border in Australia. From Southport on the Gold Coast the park is to the southwest and Brisbane is north. ...

] (S.T.Blake 22869) NE Herbarium – Qld, NSW * ''Xerochrysum'' sp.

New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York (state), New York to the west and by the Can ...

(L.M.Copeland 3731) NE Herbarium – NSW * ''Xerochrysum'' sp.

North Stradbroke Island North Stradbroke Island ( Jandai: ''Minjerribah''), colloquially ''Straddie'' or ''North Straddie'', is an island that lies within Moreton Bay in the Australian state of Queensland, southeast of the centre of Brisbane. Originally there was onl ...

(L.Durrington 675) NE Herbarium – Qld, NSW * ''Xerochrysum'' sp. Point Lookout (I.R.Telford 12830) NE Herbarium – NSW

Species

References

External links