A new plant species from the sunflower family, named the "woolly devil," has been discovered in Big Bend National Park, USA.

To check the seeds, remove any disk flowers that sit on top of the sunflower seeds. According to Henry, disk flowers look like mini flower heads and house both male and female reproductive parts ...

which make up the sunflower’s characteristic halo of petals, and disc flowers that fill the inner ring of the flower head. The woolly devil follows this plan in miniature: it sports two or three ...