Roldana petasitis (Sims) H.Rob. & Brettell APNI* Synonyms: Senecio petasitis DC. APNI*
Description: Shrub or perennial herb mostly 1.5–2 m high, softly hairy.
Leaves with lamina ± circular to broad-ovate, 10–20 cm long and wide, margins palmately lobed with 9–13 lobes, softly hairy, venation palmate; petiole at least half as long as lamina, except on leaves near heads.
Inflorescence corymbose, many-headed; heads narrow-campanulate, 4–5 mm diam., hairy; involucral bracts c. 8, 9–11 mm long; bracteoles 1–3. Ray florets 4–6; ligules 8–10 mm long, yellow. Disc florets 10–15.
Achenes 2.5–4 mm long, yellowish, glabrous; pappus 8–10 mm long.
Flowering: mainly spring.
Distribution and occurrence: Cultivated as an ornamental, occasionally naturalized in coastal districts from the Hunter Valley to Macquarie Pass. Native of Mexico.
NSW subdivisions: *NC, *CC, *LHI
Other Australian states: *Qld
Text by G. J. Harden
Taxon concept: Flora of NSW 3 (1992)
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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