H.K. - Grows in dense stands

H.K. - Growing in suburban location

H.K. - Young riverside infestation

H.K. - Typical leaf configuration

H.K. - Roadside infestation

H.K. - Large roadside infestation

H.K. - Large monolithic stand

H.K. - Monolithic stand on roadside

H.K. - High on mountain road

H.K. - Roadside infestation in flower

H.K, - New shoots in disturbed ground

H.K. - Riverside infestation

H.K. - Large infestation on waste ground

H.K. - Mature plant in flower

H.K. - Infestation covering entire site

H.K. - Early season growth