They are likely poplar tree catkins, or flower clusters, entomologists and botanists told USA TODAY. Cars are covered in catkins, not worms.

Flower development in cannabis is key to its therapeutic and industrial potential, but how this complex process is regulated ...

Some trees – such as mangoes – flaunt hundreds of white flower clusters up to one foot wide and two feet long, with each cluster containing about 10,000 blossoms.

In the fall of 2009, residents asked the state to investigate whether there was a cancer cluster in Flower Mound. The final report has been released.

Flower clusters vary in color and texture, but all are distinctly cone-shaped. Once we’ve determined which category of hydrangea we have, whether arborescent or panicle, we can begin pruning.

Zarki had found several Joshua trees that were developing flower clusters. Normally, this would not be news; not worth the time of notifying me or the nine others Zarki had sent his email to that day.

The flower cluster can reach 18 inches in height for eye-catching displays June through October. Use the plants to create a backdrop for gardens or to form warm-season view barriers.

Here's the difference between indeterminate and determinate tomato plants and how they grow.