Clematis terniflora DC., Syst. Nat. 1: 138 1817. (syn: Clematis crispa Thunb.; Clematis dioscoreifolia H. Lév. & Vaniot; Clematis dioscoreifolia f. denticulata (Nakai) T.B.Lee; Clematis dioscoreifolia var. robusta (Carrière) Rehder; Clematis flammula var. robusta Carrière; Clematis maximowicziana Franch. & Sav.; Clematis maximowicziana var. robusta (Carrière) Nakai; Clematis paniculata Thunb.; Clematis paniculata var. dioscoreifolia (H.Lév. & Vaniot)
Rehder; Clematis paniculata f. maximowicziana (Franch. & Sav.) Honda; Clematis parviloba var. maximowicziana (Franch. & Sav.) Kuntze; Clematis recta subsp. paniculata (Thunb.) Kuntze; Clematis terniflora f. maximowicziana (Franch. & Sav.) Honda; Clematis terniflora var. robusta (Carrière) Tamura);     

China (S-Anhui, S-Henan, Hubei, Jiangsu, Jiangxi, SE-Shaanxi, Zhejiang), Japan
(Hokkaido, Honshu, Shikoku, Kyushu), Ryukyu Isl. (I), North Korea, South Korea,
Nepal (I), Java (I), USA (I) (Alabama (I), Arkansas (I), California (I),
Connecticut (I), District of Columbia (I), Delaware (I), Florida (I), Georgia
(I), Illinois (I), Indiana (I), Kansas (I), Kentucky (I), Louisiana (I),
Massachusetts (I), Maryland (I), Minnesota (I), Missouri (I), Mississippi (I),
North Carolina (I), Nebraska (I), New Hampshire (I), New Jersey (I), New York
(I), Ohio (I), Oklahoma (I), Pennsylvania (I), Rhode Island (I), South Carolina
(I), Tennessee (I), Texas (I), Virginia (I), Vermont (I), West Virginia (I)),
Canada (I) (Ontario (I))
as per Catalogue of Life;



Climber for ID : Atlanta, Georgia : 28JAN19 : AK-69 : 4 posts by 3 authors. Attachments (3)

A climber seen growing in the wild.

Missed the flowers.
On searching, it looks close to Clematis terniflora.
Experts kindly validate.

Yes, looking at the leaves which have an intact margin, I would say this is C. terniflora. It has escaped cultivation and has become invasive. It grows in my garden. 

yes. virginnia tech has a page. shows physical features and extent of its spread across various usda zones. must be very prolific. is it a weed yet??

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