Microsporangium bearing microspores which develop into pollen (microgametophytes). The upper part of a stamen, containing pollen sacs within which are numerous pollen grains.
1. A. Zaid, H.G. Hughes, E. Porceddu, F. Nicholas. Glossary of biotechnology and genetic engineering http://www.fao.org/3/a-x3910e.pdf 2. Монгол хэлний их тайлбар толь