Xanthium strumarium
Common names
Noogoora bur, rough cocklebur
Biostatus
Exotic
Category
Vascular
Structural class
Herbs - Dicotyledonous composites
Flower colours
Green, Yellow
Detailed description
Large, broad leaves, bright green in colour in an alternate pattern with irregular lobes and relatively inconspicuous teeth. Stems turn maroon to black when mature. Greenish yellow grapelike clusters of male flowers are produced on a stalk at the leaf axils. Female flowers are smaller at first, just below male, becoming the “bur” fruits.
Habitat
Disturbed ground, stream banks, riparian areas.
Conservation status
Not applicable
Detailed taxonomy
Family
Ecology
Flowering
Late summer/autumn
Year naturalised
1894
Origin
N. temperate regions, C. and S. America
Other information
NVS code
The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database.
XANSTR