Contains 7 accepted taxa overall.

Characteristics
Clematis L.
LEATHER-FLOWER
Classification
RANUNCULALES
Clematis
Citation
CLEMATIS Linnaeus, Sp. Pl. 543. 1753.
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TYPE: Clematis vitalba Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 121. 1913.
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Clematis baldwinii PINE-HYACINTH Native FACW (NWPL)
Clematis catesbyana SATINCURLS Native FAC (NWPL)
Clematis crispa SWAMP LEATHER-FLOWER Native FACW (NWPL)
Clematis glaucophylla WHITELEAF LEATHER-FLOWER Native FAC (NWPL)
Clematis reticulata NETLEAF LEATHER-FLOWER Native
Clematis terniflora SWEET AUTUMN VIRGINSBOWER Not Native FACU (NWPL) Y
Clematis virginiana VIRGINSBOWER Native FAC (NWPL)
Identification Key
1.  Erect herb, the stems mostly <70 cm long; leaves simple, or the blade deeply dissected, rarely compound
1.  Vine, the stems mostly >1 m long; leaves compound (simple foliaceous bracts subtending the inflorescence)
2
2.  Flowers pendent and solitary on a long pedicel (peduncle), these sometimes fascicled; calyx blue, pink, to reddish, campanulate
3
2.  Flowers erect to spreading in a panicle or cyme; calyx white, rotate
5
3.  Leaflets with prominent reticulate venation on both sides
3.  Leaflets with reticulate venation obscure to visible, flat with the surface
4
4.  Leaflet underside not glaucous; sepals violet-blue, margins proximally thick and tomentose, distally broadly expanded, 2-6 mm wide, thin, crispate; achene beaks 2-3.5 cm, appressed puberulent
4.  Leaflet underside glaucous; sepals red to purplish-red, margins not expanded, thick, not crispate; achene beaks 5-7 cm long, plumose
5.  Leaflets entire, rarely cleft; flowers bisexual (some unisexual); pistils or achenes 5-10; anthers ca. 3 mm long
5.  Leaflets lobed to coarsely toothed; flowers all unisexual; anthers 0.5-1 mm long
6.  Leaves pinnately or bi-ternately compound; pistils or achenes 18-35
6.  Leaves trifoliolate; pistils or achenes 40-70
Genus Synonyms
Synonym Full Citation Basionym Type
Atragene Atragene Linnaeus, Sp. Pl. 542. 1753. TYPE: Atragene alpina Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 126. 1913.
Cheiropsis Cheiropsis (de Candolle) Berchtold & J. Presl, Prir. Rostlin 1(Ranunc.): 11. 1823. BASIONYM: Clematis Linnaeus, sect. Cheiropsis de Candolle, Syst. Nat. 1: 133, 162. 1817. TYPE: = Muralta Adanson 1763, nom. rej.
Clematitis Clematitis Duhamel du Monceau, Traite Arbr. Arbust. 1: 171. 1755. TYPE: = Clematis Linnaeus 1753.
Coriflora Coriflora W. A. Weber, Phytologia 51: 372. 1982; Phytologia 79: 66. 1996. TYPE: Coriflora viorna (Linnaeus) W. A. Weber (Clematis viorna Linnaeus)
Meclatis Meclatis Spach, Hist. Nat. Vég. 7: 279. 1839. TYPE: Non designatus.
Muralta Muralta Adanson, Fam. Pl. 2: 460, 580, nom. rej. vs. Muraltia de Candolle 1824. TYPE: Clematis cirrhosa Linnaeus
Sieboldia Sieboldia Hoffmannsegg ex Schlechtendal, Linnaea 16(Litt. Ber.): 281. 1841. TYPE: Non designatus.
Viorna Viorna (Persoon) Reichenbach, Handb. Nat. Pfl.-Syst. 277. 1837. BASIONYM: Anemone Linnaeus, sect. Viorna Persoon, Syn. Pl. 2: 98. 1806. TYPE: = Muralta Adanson 1763, nom. rej.
Viticella Viticella Moench, Methodus 296. 1794, non Mitchell 1769. TYPE: Viticella deltoidea Moench (Clematis viticella Linnaeus)