Mexican Aster - Cosmos bipinnatus
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Species Description
Stace 4:
Cosmos bipinnatus Cav. - Mexican Aster.
Stems erect, to 2m; capitula 4-9cm across, including ligules 1.5-4cm; (2n=24). Neophyte-casual; much grown in gardens, frequently persistent on tips and in waste places; scattered in Britain, mostly South England, Isle of Man, County Dublin; Mexico, South USA.