Erechtites valerianifolius (Link ex Spreng.) DC. f. valerianifolius
Belcher, R.O. (1956) Annals of the Missouri Botanical Garden 43: 26.
Brazilian Fireweed; Federal Weed
Usually flowers and fruits as a shrub about 1.5-2 m tall but occasionally flowers as a herb.
Cotyledons about 7-10 x 6-8 mm. First pair of leaves with toothed margins. Stem hairy above the cotyledons. At the tenth leaf stage: leaves simple and coarsely toothed. Apex acute, base attenuate, both the upper and lower surfaces sparsely clothed in pale multicellular hairs. Seed germination time 10 to 12 days.
An introduced species originally from South America, now naturalised in NEQ, CEQ and southwards as far as coastal central New South Wales. Altitudinal range in NEQ from near sea level to 1000 m. Usually grows as a weed of agricultural land but also found in disturbed areas and along roads in lowland, upland and mountain rain forests.
Erechtites valerianifolius (Link ex Spreng.) DC., Prodromus Systematis Naturalis Regni Vegetabilis 6: 295 (1838). Senecio valerianifolius Link ex Spreng., Systema Vegetabilium Edn. 16, 3: 565 (1826).