Argyranthemum Sch.Bip.

Greek argyros — silver, anthemon — flower, as most species have white ligules

Perennial subshrubs. Stems erect, procumbent or ascending. Leaves along stems, alternate, variously divided. Capitula radiate, terminal, solitary or in leafy clusters, with long stalks. Involucral bracts in 3 rows, overlapping, unequal. Receptacle pitted, convex to conical. Ray florets female, white, rarely yellow or pink. Disk florets bisexual, yellow. Achenes 3-angled or compressed, at least outer ones strongly winged. Pappus absent, apical extensions of wings on achenes often appearing pappus-like.

One species has become a weed in parts of Australia, usually in disturbed sites.

Achenes of more than one type present, at least outer ones strongly winged.

About 24 species from Macaronesia.

Bremer & Humphries (1993), Cheek (1993).

Source: Jeanes, J. (2002). Asteraceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.

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kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Asteranae
order      Asterales
family       Asteraceae
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