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Volume 31, Issue 1-4 1989

Articles

A Study of the Pollen Grains of Indian Clematis Linn. (Ranunculaceae)

https://doi.org/10.20324/nelumbo/v31/1989/74516

  • S. L. Kapoor
    • ,
  • Chhaya Sharma
    • ,
  • B. S. Trivedi

S. L. Kapoor
National Botanical Research Institute, Lucknow

Chhaya Sharma
Birbal Sahni Institute of Palaeobotany, Lucknow

B. S. Trivedi
Department of Botany, Lucknow University, Lucknow

Abstract

A illustrated account of the pollen grains of 32 species of genus Clematis (Dill, ex) Linn., mostly Indian, has been presented and their systematic significance evaluated. The pollen is usually 3-zono-colpate, but some have 4-zono-colpate pollen as well. In C. cadmia Buch.- Ham. Ex Hk.f. & Thom., the pollen is panporate. The pollen features in Clematis exhibit a predominantly negatively reticulate sexine pattern and are of little phylogenetic significance.
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