Common name: Brazilian Fireweed
Erechtites valerianifolius (Wolf) DC. APNI*
Synonyms: Erechtites valerianifolia (Wolf) DC. APNI*
Description: Erect annual, usually 1–1.5 m high, mostly glabrous except for cobwebby young growth.
Lowest leaves with lamina ovate, 3–6 cm long, 2–3 cm wide, margins ± entire to toothed, petiole 5–15 mm long; upper leaves with lamina toothed, or pinnatisect to ± pinnate, mostly 5–20 cm long, 3–8 cm wide, petiole 0–50 mm long.
Inflorescences ± corymbose, heads on stalks 0–10 mm long; heads c. 3 mm diam.; inner involucral bracts 10–14, c. 10 mm long, outer bracts c. 1 mm long.
Achenes 2.5–3.5 mm long; pappus 8–10 mm long, white to mauve.
Distribution and occurrence: Weed, mostly on more fertile soils: north from Royal N.P. Native of S Amer.
NSW subdivisions: *NC, *CC, *SWS
Other Australian states: *Qld
Previously spelt Erechtites valerianifolia.
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.