cuscuta, dodder or amarbel on a bush

traditional chinese medicine osteoporosis herb fireweed bloom ecosystem herbaceous agriculture haustoria cuscuta campestris haustorium twining yellow macro convolvulaceae botanical beautiful spring parasitic plant stem landscape wrap pye orange bud wild species parasite environment feed tropical dense prairie survival nature natural biology mat meadow parasitizing host dodder ecology life vegetation flora botany amarbel bush quarantine parasite dangerous weed garden pest