Viburnum is a genus of 150-175 species in the moschatel family. Native to temperate Northern Hemisphere, with some tropical species. Contains evergreen or deciduous shrubs and small trees. Leaves are opposite, simple, and entire, some species hairy
Pollination is the transfer of pollen from anther to stigma for seed production. Pollination can be biotic (animals) or abiotic (wind, water, rain). About 80% of angiosperms rely on biotic pollination
Plums likely originated in East Europe, Caucasus and China. Trees reach 5-6 meters height when pruned. Three main species: European, Japanese and Myrobalan plums. China leads global production with 56% share
Pollen is a powdery substance produced by seed plants for sexual reproduction. Pollen grains contain male gametes and are protected by sporopollenin coating. Pollen grains vary in size from 2.5-5 μm to 90-100 μm in diameter
Rich, well-drained soil is essential for tropical plant success. Most Southern regions have sufficient rainfall for tropical plants. Cold temperatures are the main limiting factor
Angiosperms are flowering plants containing seeds in enclosed ovaries. Approximately 80% of all known green plants are angiosperms. There are 453 families with 260,000 living species. Found in every habitat except extreme climates