Possible Clues:

• The plant “inextricably entwined” and in love with the honeysuckle in a Flanders and Swann song
• Growth of problem with river flowing north
• Plant that twines itself round other plants, trees etc
• Be winded (anag.)
• Curler, black, certainly fits round front of wig
• Twining plant
• It needs twine to keep a small five hundred up