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Clematis virginiana L.
DEVILS DARNING NEEDLES
Life   Plantae   Dicotyledoneae   Ranunculaceae   Clematis

Clematis virginiana, Virgins Bower
© Copyright Sheryl Pollock 2011 · 7
Clematis virginiana, Virgins Bower

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Clematis virginiana, Virgins Bower
© Copyright Sheryl Pollock 2011 · 7
Clematis virginiana, Virgins Bower
Clematis virginiana
© Copyright Bobby Hattaway 2011 · 5
Clematis virginiana

Clematis virginiana
© Les Mehrhoff, 2008-2010 · 4
Clematis virginiana
Clematis virginiana, fruit - as borne on the plant
© Copyright Steve Baskauf, 2002-2011 · 4
Clematis virginiana, fruit - as borne on the plant

Clematis virginiana, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Clematis virginiana, leaf - on upper stem
Clematis virginiana, leaf - margin of upper + lower surface
© Copyright Steve Baskauf, 2002-2011 · 4
Clematis virginiana, leaf - margin of upper + lower surface

Clematis virginiana, whole plant - in fruit
© Copyright Steve Baskauf, 2002-2011 · 4
Clematis virginiana, whole plant - in fruit
Clematis virginiana, fruit - lateral or general close-up
© Copyright Steve Baskauf, 2002-2011 · 4
Clematis virginiana, fruit - lateral or general close-up

Clematis virginiana, fruit - as borne on the plant
© Copyright Steve Baskauf, 2002-2011 · 4
Clematis virginiana, fruit - as borne on the plant
Clematis virginiana, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Clematis virginiana, stem - showing leaf bases

Clematis virginiana, whole tree or vine - general
© Copyright Steve Baskauf, 2002-2011 · 4
Clematis virginiana, whole tree or vine - general
Clematis virginiana, inflorescence - frontal view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Clematis virginiana, inflorescence - frontal view of flower

Clematis virginiana, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Clematis virginiana, inflorescence - whole - unspecified
Clematis virginiana, leaf - whole upper surface
© Copyright Steve Baskauf, 2002-2011 · 4
Clematis virginiana, leaf - whole upper surface

Associates · map
FamilyScientific name @ source (records)
Apidae  Apis mellifera @ UCMS_ENT (1)

Bombus impatiens @ UCMS_ENT (1)
Botryosphaeriaceae  Diplodia thalictricola @ BPI (1)

Sphaeropsis clematidis @ BPI (1)
Colletidae  Colletes kincaidii @ AMNH_BEE (2)

Hylaeus annulatus @ AMNH_BEE (1)

Hylaeus modestus @ AMNH_BEE (2)
Dermateaceae  Cylindrosporium clematidis @ BPI (13)
Erysiphaceae  Erysiphe communis @ BPI (8)

Erysiphe polygoni @ BPI (16)
Glomerellaceae  Glomerella cingulata @ BPI (1)
Halictidae  Lasioglossum foxii @ AMNH_BEE (2)

Lasioglossum laevissimum @ AMNH_BEE (2)

Lasioglossum versans @ AMNH_BEE (1)

Lasioglossum zephyrum @ AMNH_BEE (2)
Membracidae  Micrutalis dorsalis @ NCSU (3)
Miridae  Halticus intermedius @ AMNH_PBI (1)
Mycosphaerellaceae  Cercospora squalidula @ BPI (18)

Septoria clematidis @ BPI (2)
Pucciniaceae  Puccinia agropyri @ BPI (1)

Puccinia clematidis @ BPI (31)

Puccinia elymi @ BPI (2)

Puccinia recondita @ BPI (16)

Puccinia rubigo-vera @ BPI (53)

Puccinia triticina @ BPI (1)
Uropyxidaceae  Aecidium clematidis @ BPI (4)
_  Ascochyta clematidina @ BPI (10)

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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Clematis virginiana L. Virginia Virgin-bower
Ranunculaceae — Buttercup family
Native
Clematis virginiana Clematis virginiana Clematis virginiana Clematis virginiana
Toothed leaflets distinguish this plant from the invasive alien Clematis terniflora . Tweed's Park
August 2012 Clematis virginiana
White Clay Creek State Park -- Thompson Station Road
September 2005

Guide to Clematis of Delaware

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
   Top | See original


Clematis virginiana L.

Clematis virginiana plant

Family - Ranunculaceae

Stems - Sprawling and climbing, sparse to moderately pubescent, herbaceous to woody, purplish, carinate, very long.

Leaves - Opposite, 3-5 foliate, petiolate. Leaflets lobed and/or coarse serrate, typically ovate to lanceolate, sparse pubescent to glabrous, sericeous below, +/-6cm long, +/-3cm broad. Petiolules to 1cm long or sometimes absent on upper pair of lateral leaflets. Petioles pubescent and purplish.

Clematis virginiana leaves

Inflorescence - Fairly dense axillary panicles. Each division of panicle subtended by pair of small foliaceous bracts. Peduncles and pedicels pubescent.

Flowers - Fragrant. Plants dioecious. Petals absent. Petaloid sepals 4, white, to 1.2cm long, +/-4mm broad, pubescent. Stamens erect to spreading, +/-25. Filaments to 8mm long, white, glabrous. Anthers pale yellow, 1.2mm long. Pistillate flowers with sterile stamens. Pistils many (6-10). Achenes sericeous, to -5mm long. Styles plumose, to +3cm long.

Clematis virginiana flowers

Flowering - July - September.

Habitat - Moist and low ground of woodlands, moist slopes, streambanks, fence rows.

Origin - Native to U.S.

Other info. - This species is the only native pure white flowered Clematis in Missouri. The similar C. dioscoreifolia Levl. & Vanoit is native to Japan, has larger flowers, and has leaflets which are entire and typically unlobed.
The flower close-ups shown are of staminate flowers.

Photographs taken off Hwy 106, Shannon County, MO., 7-27-04.


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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=CLVI5 ---> https://plants.usda.gov/java/profile?symbol=CLVI5
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Following modified from Flora of North America
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Link to Flora of North America home
 
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FNA | Family List | FNA Vol. 3 | Ranunculaceae | Clematis

9. Clematis virginiana Linnaeus, Cent. Pl. I. 15. 1755.

Virgin's-bower, clématite de Virginie

Clematis canadensis Miller; C. holosericea Pursh; C. missouriensis Rydberg; C. virginiana var. missouriensis (Rydberg) E. J. Palmer & Steyermark

Stems climbing, 2-7 m. Leaf blade 3-foliolate; leaflets ovate to lanceolate, 3.5-9 × 1.5-7.5 cm, margins coarsely toothed to entire; surfaces abaxially sparsely to densely pilose, adaxially glabrate. Inflorescences axillary, 3-many-flowered simple or compound cymes. Flowers unisexual; pedicel slender, 1-2 cm; sepals wide-spreading, not recurved, white to cream, elliptic or nearly oblong to oblanceolate, 6-14 mm, abaxially densely white-hairy, adaxially sparsely white-hairy; stamens ca. 30-50+; filaments glabrous; staminodes absent or fewer than stamens; pistils 40-70; beak nearly equaling sepals. Achenes ovate , 2.5-3.5 × l.5 mm, conspicously rimmed, sparsely short-hairy; beak 2.5-5 cm. 2 n = 16.

Flowering summer (Jun-Sep). Streamsides, wet roadsides, fencerows, and other moist, disturbed, wooded or open sites, locally abundant; 0-1500 m; Man., N.B., N.S., Ont., P.E.I., Que.; Ala., Ark., Conn., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Vt., Va., W.Va., Wis.

Clematis virginiana is the most frequent and widespread virgin's-bower in eastern North America. It is easily distinguished from C. catesbyana by the presence of three ovate leaflets.

Native Americans used infusions prepared from the roots of Clematis virginiana medicinally to treat kidney ailments, and mixed them with milkweed to heal backaches and venereal sores. Decoctions of stems were ingested to induce strange dreams. In addition, the plant was used as an ingredient in green corn medicine (D. E. Moerman 1986).

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Clematis+virginiana&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Clematis+virginiana&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Clematis+virginiana&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

Updated: 2017-12-13 13:31:26 gmt
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