This allows the palm tree to spread its seeds long distances as coconuts bob on the ocean to other islands. Some seeds are very light and can float away on the wind, such as the seeds from poplar ...

Only about 370 true black poplar trees have been recorded growing in ... very specific conditions to reproduce naturally. Their seeds are short-lived, and male and female trees need to be sited ...

The flowers are pollinated by the wind and female catkins then develop into fluffy cotton-like seeds ... of the trees were female. Bere Marsh Farm has one male and one female black poplar on ...