Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Ranunculales
Dig deeper at SERNEC, a consortium of southeastern herbaria.
You may also want to check Trees, Shrubs, and Woody Vines of North Carolina
Check out EDDMapS.org to see where this has been reported.
Learn more about Japanese Virgin's-bower from the Vascular Plants of North Carolina.
SYNONYMOUS WITH Flora of North America
INCLUDING & INCLUDED WITHIN (MISAPPLIED) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 076-10-006:
Clematis dioscoreifolia FAMILY Ranunculaceae
(?) Manual of the Southeastern Flora (Small, 1933, 1938)
Sweet Autumn Clematis, Yam-leaved Clematis, Sweet Autumn Virgin's Bower, Japanese Virgin's-bower
To see larger pictures, click or hover over the thumbnails.
Richard and Teresa Ware rtw_c_terniflora_13
Both this & C. virginiana have 4 white oval spreading sepals about 1/2" long, per Wildflowers of the Southern Mountains (Smith, 1998).
JK Marlow jkm100903_596
September Greenville County SC
Swamp Rabbit Trail
Flowers numerous, in compound cymose-paniculate inflorescences, per Weakley's Flora.
JK Marlow s060901_a
September Greenville County SC
With 3 to 5 entire leaflets, the terminal one long-stalked, per Wildflowers of the Southern Mountains (Smith, 1998).
JK Marlow jkm0511a_37
November Haywood County NC
Corneille Bryan Native Garden
Fruit a cluster of achenes with long curved feather-like tails (styles), per Woody Plants of the Blue Ridge (Lance).
COMPARE fruits that are an aggregate of achenes
JK Marlow jkm101120_266
November Greenville County SC
Lake Conestee Nature Park
Similar to C. virginiana but with 3-5 thickened entire leaflets, per Woody Plants of the Blue Ridge (Lance).
COMPARE leaves of Clematis species
Flora of North America
Manual of the Southeastern Flora (Small, 1933, 1938)
Habitat: Disturbed areas, per Weakley's Flora
Non-native: east Asia (Japan, China, Korea)
Common in NC Piedmont, rare in GA Mountains (uncommon elsewhere in GA-NC-SC)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
This plant is causing problems in natural areas outside its native range, according to authorities such as:
- Alabama Invasive Plant Council, 2012
- Georgia Exotic Pest Plant Council, 2006
- Kentucky Exotic Pest Plant Council, 2013
- SC Exotic Pest Plant Council, 2014
- Tennessee Exotic Pest Plant Council, 2009
Pinnately compound: 3-5 leaflets
4 petaloid sepals
Flowers in axillary clusters
Aggregate of achenes
TO LEARN MORE about this plant, look it up in a good book!
- Invasive Plants, Guide to Identification, Impacts and Control (Kaufman & Kaufman, 2007) p224
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p304
- Wildflowers of Tennessee (Carman, 2005) p036
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p057
- Woody Plants of the Blue Ridge (Lance) p05
- Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004) p104
- Wildflowers of the Southern Mountains (Smith, 1998) p045
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