Common tropical flowers include passionflowers, orchids and ginger. Heliconia, bird of paradise and hibiscus are other common flowers in the tropics. These flowers thrive in the tropical regions because of the favorable warm and humid conditions of the regions.
Passionflowers thrive in South America as well as Central America, and their filaments feature both white and red colors. Passionflowers have five petals and sepals. Orchids feature three sepals and three petals each and may germinate in various places, including on rocks, in soil and on other plants, depending on the species of the orchid. Ginger mostly grows in areas such as Polynesia, the Himalayas and the Malay peninsula, and it has a short lifespan. Colors of ginger flowers include white and yellow.