Centratherum riparium (DC.) A.R.Bean APNI* Synonyms: Centratherum australianum (K.Kirkman) A.R.Bean APNI* Centratherum punctatum subsp. australianum K.Kirkman APNI* Centratherum muticum Less. APNI*
Description: Sprawling to erect annual herb, 0.5–1 m high, divaricate-branched, woody at base; stems slightly ridged, sparsely hairy.
Leaves oblanceolate, 2–6 cm long, 6–20 mm wide, apex acute, margins bluntly toothed to lobed, lamina glabrous to sparsely hairy, gland-dotted; petiolate.
Heads hemispherical to globose, 10–15 mm diam.; involucral bracts oblong to lanceolate, with spreading, ± purplish, scarious, tips ciliate to fimbriate, outer bracts 12–25 mm long, inner 5–7 mm long, glandular. Florets mauve to purple.
Achenes ± cylindrical, glabrous; pappus bristles not persistent.
Flowering: summer–autumn.
Distribution and occurrence: Grows along roadsides, paddocks and in forest.
NSW subdivisions: NC, CC, SC
Other Australian states: Qld
Text by M.F. Porteners, 1992. Taxon concept:
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data ***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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