Keys available at BSI flora of India
Clematis flammula L. (Cultivated)
Clematis viticella L. (Cultivated)
Clematis sikkimensis was considered by author as C. acuminata susp. sikkimensis which is now C. siamensis.
C.tortuosa (= C.buchananiana var. tortuosa Hook.f. & Thoms.) and other varieties like rugosa, vitifolia of Hook.f. & Thomson were merged by author into C. buchananiana.
Rau, M.A. 1993. Ranunculaceae. In; Sharma, B.D., Balakrishnan, N.P., Rao, R.R. and Hajra, P.K. (eds.) Flora of India vol-1 Ranunculaceae- Barclayaceae. Botanical
Survey of India, Calcutta. pp 52-80.
Uniyal, B.P. 2002. Ranunculaceae. In; Singh, N.P., Singh, D.K. & Uniyal, B.P. (eds.) Flora of Jammu & Kashmir vol-1 Pteridophytes, Gymnosperms and Angiosperms (Ranunculaceae- Moringaceae). Botanical Survey of India, Kolkata. pp.365-439.
Species with description & pictures in Flowers of India as on 8.6.14:
Clematis alpina var. sibirica (No distribution in India)
Clematis aspleniifolia (No distribution in India)
Clematis alternata (No distribution in India)
Clematis bracteolata (No distribution in India)
Clematis orientalis var. uniflora is a synonym of Clematis tibetana var. vernayi (C.E.C.Fisch.) Grey-Wilson
Clematis phlebantha (No distribution in India)
Clematis rehderiana (No distribution in India)
Clematis staintonii (No distribution in India)
Clematis terniflora (Cultivated)
Clematis tripartita (No distribution in India)
A NEW SPECIES OF CLEMATIS L. (RANUNCULACEAE) FROM WESTERN GHATS OF KERALA, INDIA by K.A. Anilkumar- International Journal of Plant, Animal and Environmental Sciences- Received: 13th August-2013 Revised: 20th August -2013 Accepted: 29th August-2013-
ABSTRACT: Clematis udayanii Anilkumar, a new species of Clematis from Palakkad district, Kerala is described and illustrated. It is morphologically similar to Clematis theobromina Dunn by opposite 3-foliolate leaves, foliaceous bracts and glabrous filaments; but distinguished from it in the several ribbed stem, broadly ovate-oblong leaves with crenate margin, faint lateral leaves, trichotomously branched long panicle inflorescence with many large flowers, sepals purplish on adaxial side, anthers with prominent connective and erect anthers after anthesis and compressed, short tailed achenes with hooked tip.
Forest Plants of Eastern India By Amal Bhusan Chaudhuri (1993)- Brief details-
A Dictionary of the Economic Products of India, Volume 2 By George Watt (1893)- Details-