Stigma (botany) Stigma (botany) The stigma (plural: stigmata) is the receptive tip of a carpel, or of several fused carpels, in the gynoecium of a flower. The stigma, together with the style and ovary comprises the pistil, which in turn is part of the gynoecium or female reproductive organ of a plant. The stigma forms the distal portion of the style or stylodia. The stigma is composed of , the cells which are receptive to pollen. These may be restricted to the apex of the style or, especially in wind pollinated species, cover a wide surface. The stigma receives pollen and it
Botany 2000 the newsletter, the UNESCO Botany 2000-Asia program sponsors occasional workshops on the taxonomy, ethnobotany and chemistry of various plant families, as well as training courses in herbarium techniques and curation. Botany 2000-Africa is implemented by UNESCO's Nairobi Office and deals with the conservation and use of the medicinal flora of Africa. Some of the activities of the Botany 2000-Africa program are published in: S. Edwards and Z. Asfaw (Editors): "The Status of Some Plant Resources in Parts of Tropical Africa". Botany 2000: East and Central Africa; NAPRECA Monograph Series No. 2. Published by "Natural Products Research Network for Eastern and