Purple clematis Clematis viticella, photographed by Mirna & Attilio Marzorati.

Belongs within: Ranunculaceae.

Clematis is a genus of flowering vines found primarily in temperate regions of the world.

Characters (from J. S. Pringle): Vines , ± woody, sometimes only at base, climbing by means of tendril-like petioles and leaf rachises, or erect, herbaceous perennials, from elongate rhizomes. Leaves cauline, opposite, simple or compound, sessile or petiolate. Leaf blade undivided or 1-3-pinnately or -ternately compound; leaf or leaflets cordate to orbiculate, oblong, lanceolate, or oblanceolate, lobed or unlobed, margins entire or toothed. Inflorescences axillary and/or terminal, 1-many-flowered cymes or panicles or flowers solitary or in fascicles, to 15 cm; bracts present and leaflike or ± scalelike or absent, not forming involucre. Flowers bisexual or unisexual, radially symmetric; sepals not persistent in fruit, 4, white, blue, violet, red, yellow, or greenish, plane, ovate to obovate or linear, 6-60 mm; petals absent; sometimes anther-bearing staminodes between sepals and stamens; stamens many; filaments filiform to flattened; pistils 5-150, simple; ovule 1 per pistil; beak present. Fruits achenes, aggregate, sessile, lenticular, nearly terete, or flattened-ellipsoid, sides not prominently veined; beak terminal, straight or curved, 12-110 mm. x = 8.

    |--C. (sect. Clematis) vitalba BVJ01
    |--C. (sect. Atragene) alpina BVJ01
    |--C. (sect. Viorna) pitcheri BVJ01
    `--C. sect. Viticella [incl. C. sect. Patentes] BVJ01
         |--C. patens BVJ01
         `--C. viticella Linnaeus 1753 BVJ01
              |--C. viticella ssp. viticella (see below for synonymy) BVJ01
              `--C. viticella ssp. campaniflora (Brotero) Font Quer ex Bolòs & Vigo 1984 (see below for synonymy) BVJ01

Clematis incertae sedis:
  C. afoliata A27
  C. aristata GK00
  C. australis Kirk 1891 CA27
  C. brachiata M30
  C. cirrhosa Y98
  C. colensoi CA27
  C. coriacea C45
  C. dioica J87
  C. flammula Y98
  C. florida BVJ01
  C. foetida T27
  C. foetidissima BKS98
  C. fremontii D51
    |--C. f. ssp. fremontii D51
    `--C. f. ssp. riehlii D51
  C. hexasepala CA27
  C. indivisa CA27
  C. integrifolia BVJ01
  C. lanuginosa BVJ01
  C. leschenaultiana DC. 1818 [incl. C. leschenaultiana var. denticulata Merr. 1927] WC00
  C. marata T27
  C. montana O88
  C. oweniae M30
  C. paniculata BKS98
  C. parviflora [incl. C. cunninghamii] MM04
  C. pubescens RL05
  C. quadribracteolata T27
  C. stanleyi [=Anemone stanleyi] M30
  C. texensis BVJ01
  C. tibetana O88
  C. virginiana EBS98

Clematis viticella ssp. campaniflora (Brotero) Font Quer ex Bolòs & Vigo 1984 [=C. campaniflora Brotero 1804, C. viticella var. campaniflora (Brotero) Willkomm & Lange 1880] BVJ01

Clematis viticella Linnaeus 1753 ssp. viticella [=Viticella deltoidea Moench 1794; incl. C. baccata Persoon 1806, C. viticella ssp. sibthorpii var. coriacea Kuntze 1885, C. lugubris Salisbury 1796, C. viticella ssp. sibthorpii var. obtusiloba Kuntze 1885, C. revoluta Desfontaines ex Steudel 1821, C. viticella ssp. revoluta (Desfontaines) Kuntze 1885, C. viticella ssp. revoluta var. scandens Kuntze 1885, C. viticella ssp. sibthorpii Kuntze 1885, C. viticella ssp. sibthorpii var. villosa Kuntze 1885] BVJ01

*Type species of generic name indicated


[A27] Andersen, J. C. 1927. Popular names of New Zealand plants. Transactions and Proceedings of the New Zealand Institute 57: 905-977.

[BKS98] Baars, R., D. Kelly & A. D. Sparrow. 1998. Liane distribution within native forest remnants in two regions of the South Island, New Zealand. New Zealand Journal of Ecology 22 (1): 71-85.

[BVJ01] Brandenburg, W. A., J. G. van de Vooren & C. E. Jarvis. 2001. Lectotypification and description of Clematis viticella L. (Ranunculaceae). Botanical Journal of the Linnean Society 135 (1): 13-23.

[CA27] Cockayne, L., & H. H. Allan. 1927. Notes on New Zealand floristic botany, including descriptions of new species, &c. (No. 5). Transactions and Proceedings of the New Zealand Institute 57: 48-72.

[C45] Colenso, W. 1845. Memoranda of an excursion, made in the Northern Island of New Zealand, in the summer of 1841-2; intended as a contribution towards the natural productions of the New Zealand groupe: with particular reference to their botany. Tasmanian Journal of Natural Science 2: 210-234.

[D51] Dobzhansky, T. 1951. Genetics and the Origin of Species, 3rd ed. Columbia University Press: New York.

[EBS98] Elliott, K. J., L. R. Boring & W. T. Swank. 1998. Changes in vegetation structure and diversity after grass-to-forest succession in a southern Appalachian watershed. American Midland Naturalist 140: 219-232.

[GK00] Gibson, N., & G. J. Keighery. 2000. Flora and vegetation of the Byenup-Muir reserve system, south-west Western Australia. CALMScience 3 (3): 323-402.

[J87] Judd, W. S. 1987. Floristic study of Morne La Visite and Pic Macaya National Parks, Haiti. Bulletin of the Florida State Museum – Biological Sciences 32 (1): 1-136.

[MM04] Martin, N. A., & L. A. Mound. 2004. Host plants for some New Zealand thrips (Thysanoptera: Terebrantia). New Zealand Entomologist 27: 119-123.

[M30] Moss, C. E. 1930. Some natural hybrids of Clematis, Anemone, and Gerbera from the Transvaal. Proceedings of the Linnean Society of London 141: 36-40.

[O88] Ohba, H. 1988. The alpine flora of the Nepal Himalayas: An introductory note. In The Himalayan Plants vol. 1 (H. Ohba & S. B. Malla, eds) The University Museum, University of Tokyo, Bulletin 31: 19-46.

[RL05] Rafferty, C., & B. B. Lamont. 2005. Selective feeding by macropods on vegetation regenerating following fire. Journal of the Royal Society of Western Australia 88 (4): 155-165.

[T27] Thomson, G. M. 1927. The pollination of New Zealand flowers by birds and insects. Transactions and Proceedings of the New Zealand Institute 57: 106-125.

[WC00] Wang R.-J. & Chen Z.-Y. 2000. New data of some Ranunculaceae plants in China. Acta Botanica Yunnanica 22: 126-128.

[Y98] Yannitsaros, A. 1998. Additions to the flora of Kithira (Greece) I. Willdenowia 28: 77-94.

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