Tridax procumbens L. APNI*
Description: Spreading perennial herb; rooting at nodes; stems striate, hairy.
Leaves lanceolate to ovate, 3–4 cm long, 10–20 mm wide, bright green above, grey-green below, toothed or shallowly lobed.
Peduncles at first short but lengthening when in full flower, up to 30 cm long; heads solitary, axillary and terminal, 10–15 mm diam.; outer involucral bracts each subtending a ray floret, herbaceous, bristly; inner bracts membranous or hyaline, often purple, hairy near apices, subtending outer disc florets. Ray florets 5 or 6, yellow, rarely white, 4–5 mm long; ligules pale yellow, 3-lobed at apex; hairy. Disc florets darker yellow, hairy.
Achenes c. 2 mm long, tapering to the base, covered with long hairs; pappus plumose, c. 6 mm long.
Flowering: throughout year.
Distribution and occurrence: Weed of disturbed sites; north from Tweed Heads area.
NSW subdivisions: *NC
Other Australian states: *Qld *W.A. *N.T.
Text by L. Murray
Taxon concept: Flora of NSW 3 (1992)
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