Japanese sunflower
Tithonia diversifolia
family
Asteraceae
origin
Exotic
declaration
Council Pest Vegetation (BCC Natural Asset Local Law)
Council Pest Vegetation (BCC Natural Asset Local Law)
Common names
Japanese sunflower, Giant Mexican sunflower, Japanese sunflower, Tree marigold, Shrub sunflower.
A robust and bushy plant, that can be short-lived or long-lived, growing up to 3 m tall. Its leaves have three or five pointed lobes and scalloped margins. Its large yellow daisy-like flower-heads are about 10 cm across and have yellow centres. Its seeds (6-8 mm long) are topped with a ring of scales and two awns.
Impact
Impact
Japanese sunflower (Tithonia diversifolia) is regarded as an environmental weed in Queensland and New South Wales. It was also recently listed as a priority environmental weed in at least one Natural Resource Management region.
Location
Location
Characteristics
Characteristics
Similar Species
Similar Species
Japanese sunflower (Tithonia diversifolia) is regarded as an environmental weed in Queensland and New South Wales. It was also recently listed as a priority environmental weed in at least one Natural Resource Management region.