There are around 70 species in the genus Helianthus. Tightly packed into a spiral at the head’s center, disc florets are small flowers that mature into sunflower seeds, the plant’s fruit. The outer flowers are ray florets.
Watch more time-lapse videos by Neil Bromhall, including:
• From seed to sapling: Time lapse of an oak tree
• Time lapse summer lawn daisies grow, get cut, & regrow
• Fly Agaric (Amanita muscaria), a time lapse of growth
Bonus: TKSST’s collection of Fibonacci-related videos and Spring, an epic 4K flower time-lapse that took 3 years to make.