Hibiscus calyphyllus is a a shrub from tropical Africa belonging to the Hibiscus genus.^[1]

Hibiscus calyphyllus grows to 1-1.8 meters (3-6 feet) tall. It has flowers which grow to 8-10 cm (3-4 in) wide, with a yellow color and a brownish center.^[1]

References

1. ↑ ^{a b} "Botanica. The Illustrated AZ of over 10000 garden plants and how to cultivate them", p 445. Könemann, 2004. ISBN 3-8331-1253-0