The billygoat-weed, also known as whiteweed, is an invasive plant in many parts of the world. Native to Central America and the Caribbean, the plant actually has medicinal value and is used worldwide to treat a variety of diseases including diarrhea and pneumonia.

Here are some photos of the billygoat-weed taken by a CGTN Nature filming crew in Hainan Tropical Botanical Garden in Danzhou City, south China's Hainan Province. 

About 'Go! Hainan' series

Featuring unspoiled tropical rainforests, sandy beaches and a rich culture, Hainan Province is the southernmost island province of China. Nicknamed "China's Hawaii," Hainan is on its way to becoming a free trade port. The "Go! Hainan" livestream series takes you on a new journey to explore the fantastic island and its underwater world.

For more:

Pretty bougainvilleas bloom in Hainan, S China

Long-tailed shrike: The bird with the Zorro-style mask

Common lantana: A colorful plant that brightens any day

Hainan Eld's deer: One of the rarest deer species in China

Bleeding Heart Vines bloom in Hainan Tropical Botanical Garden

Baihualing: A beautiful rainforest with many wonders

Ethnic cultural gems in Hainan: Bamboo Dance

Ethnic cultural gems in Hainan: Li Brocade

Sea of clouds hangs over south China's Hainan Province

The magic mushroom hidden in Hainan's tropical rainforest

China-specific snail enjoys winter breeze in S China's Hainan

Useful creeping smartweed thriving in S China's Hainan

Take a look at magical plants in S China's Hainan

The talented, feathered songster in south China's Hainan Province

Bird's nest ferns in Hainan Tropical Botanical Garden

Pink woodsorrels bloom in Hainan Tropical Botanical Garden

How to make bamboo tube-cooked rice

Five Colors Bay: Crystal water with volcanic rocks

Pretty kapok flowers bloom in Hainan, S China

(Photos by CGTN's Qu Bo. Cover image designed by CGTN's Yu Peng) 

(If you want to contribute and have specific expertise, please contact us at nature@cgtn.com.)