Poland issued stamps on Clematis Flowers on 26 Mar 1984. Clematis flowers belong to buttercup family.
5 Zl- Clematis Lanuginosa 6 Zl – Clematis tangutica -Lantern shaped yellow flowers. 10 Zl -Clematis texensis -Also called scarlet clematis or Texas clematis. It is tulip to bell-shaped and reddish-orange to scarlet. It is native Edwards Plateau of Texas.
17 Zl- Alpina 25 Zl – Clematis Vitalba-White vine or old Man’s beard. It has white flowers. 27 Zl -Clematis Montana -Also called Mountain clematis or Himalayan clematis or anemone clematis. White Four Petalled flowers , found in Indian Himalayas also.