Plants of South Eastern New South Wales
Erechtites valerianifolius
Brazilian Fireweed
Asteraceae
Weed of pastures, roadsides, gardens, waste areas, disturbed sites, and waterways. Sydney area. Occasionally elsewhere.
Introduced annual herb, usually to 1.5 m high. Mostly hairless except for cobwebby young growth. Leaves alternating up the stems. Lowest leaves 3–6 cm long, 20–30 mm wide, margins more or less entire to toothed. Upper leaves toothed, or deeply dissected to more or less compound, mostly 5–20 cm long, 30–80 mm wide. Flower heads about 3 mm in diameter; bracts surrounding the flower heads about 10 mm long. Flower heads in clusters. Flowering: summer.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Erechtites~valerianifolius (accessed 13 January, 2021)
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