What is this Flowering vine

Asked October 23, 2017, 3:08 PM EDT

I took this picture on Sligo trail three bridges north of New Hampshire. It is taken on October 23, 2017

Montgomery County Maryland plant identification invasive vine sweet autumn clematis

1 Response

This looks like Clematis terniflora, sweet autumn clematis, an invasive plant. It seeds all over and and smothers native plants in natural settings (e.g. parks.) See the Maryland Biodiviersity website for more information
https://www.marylandbiodiversity.com/viewSpecies.php?species=3018

mh