Description: Perennial, often stoloniferous, or occasionally annual herbs.
Leaves alternate, generally flat with entire margins, tomentose on both surfaces.
Inflorescence of flower heads, solitary or in small, terminal clusters surrounded by a ray of leaves, disciform. Involucral bracts papery, brownish or hyaline. Receptacle flat, with no receptacle scales. Outer florets purple, female, outnumbering the central florets; central florets purple or colourless.
Achenes oblong or ellipsoid-oblong, generally with clavate twin hairs. Pappus of bristles, scabrid, with free or cohering cilia.
Distribution and occurrence: World: c. 17 species: Australia, New Zealand, New Guinea, East Asia. NSW: 6 species native.
Text by Lawrence Mou
Taxon concept: Bremer, K. (1994)
| ||Key to the species|| |
|1||Heads solitary||Euchiton traversii|
|Inflorescences of several to many heads||2|
|2||Involucral bracts acuminate, the tips delicate and deeply lacerate; species of subalpine or montane areas||Euchiton umbricola|
|Involucral bracts obtuse to broad-acute, firm and leathery; widespread species|
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|3||Flower heads subtended by large leafy bracts, much longer than the diameter of the head; basal rosette soon withering||4|
|Flower heads without visible subtending bracts or with bracts only a little longer than the diameter of the head; basal rosette persistent|
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|4||Annuals; heads with a single bisexual floret per head||Euchiton sphaericus|
|Stoloniferous perennials; heads with 3 or more bisexual florets per head|
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|5||Achenes glabrous; 15–80 mm long; flower heads 1–2 mm diameter||Euchiton limosus|
|Achenes minutely papillate; leaves 30–200 mm long; flower heads 1.5–3 mm diameter|
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