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Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences. Menglun, Mengla, Yunnan 666303, China
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Initiative for Collective Conservation in Chinese Botanical Gardens
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Passiflora xishuangbannaensis reintroduced to the wild

by Ai Chongrui views

Xishuangbanna Tropical Botanical Garden (XTBG) is pleased to announce that 60 individuals of critically endangered plant species namedPassiflora xishuangbannaensiswere reintroduced to the wild last week at Mengyang Nature Reserve in Xishuangbanna.

The plant individuals were released in partnership with Xishuangbanna National Nature Reserve Administration.

Passiflora xishuangbannaensishas only been known to the scientific community since 2005. It is a passion flower vine endemic to Yunnan and only found within Xishuangbanna.

Passiflora xishuangbannaensisis distinguished from other members ofPassiflorasupersectionDisemmaby being completely glabrous, having one to two flowers per node, thickened coronal filaments that are brown to purple at the base, deeply bilobed leaves with strong variegation along the three primary veins, and a v-shaped arrangement of numerous abaxial laminar nectaries.

During field survey in 2015, fewer than 100 individuals were found by XTBG researchers. Their habits are under human disturbance. Its conservation status was considered as critically endangered.

To protect the passion flower vine, XTBG researchers propagatedPassiflora xishuangbannaensisand have got 200 individuals.

60 individuals were reintroduced to the wild o August 21. XTBG will carry out further monitoring and study to get high ratio of reintroduction success.


Reintroduction is a general term to describe the controlled placement of plant material into a natural or managed ecological setting. The reintroduction of plant species to the wild becomes an increasingly important tool for the conservation and management of natural and semi-natural habitats and wild populations of plants.

  Passiflora xishuangbannaensis propagated by XTBG researchers

  Passiflora xishuangbannaensis reintroduced to the wild

  XTBG researchers prepare for reintroducingPassiflora xishuangbannaensis to the wild at Mengyang.

  Reintroduction work at Mengyang.