A sunflower head is made up of hundreds of tiny florets. Because of the way sunflowers grow, ... The internal circadian clock of a plant or animal runs on a cycle of about 24 hours, allowing different ...

This 'devil horned' sunflower is the first plant species described in a US national park in almost 50 years. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips ...

Circadian clock controls sunflower blooms, optimizing for pollinators. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2023 / 01 / 230117192943.htm ...