Wan Chun Cheng or Zheng Wanjun (, 1908–1987)
was a Chinese botanist. Initially one of the Chinese plant collectors who followed in the wake of the Europeans after 1920, he became one of the world's leading authorities on the
taxonomy
Taxonomy is the practice and science of categorization or classification.
A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. ...
of
gymnosperms
The gymnosperms ( lit. revealed seeds) are a group of seed-producing plants that includes conifers, cycads, ''Ginkgo'', and gnetophytes, forming the clade Gymnospermae. The term ''gymnosperm'' comes from the composite word in el, γυμνό ...
. Working at the
National Central University
National Central University (NCU, ; Pha̍k-fa-sṳ: ''Kwet-li̍p Chung-yong Thài-ho̍k'', Wade–Giles: ''Kuo2 Li4 Chung Yang Ta4 Hsüeh2'' or ''中大'', ''Chung-ta'') is a public research university with long-standing traditions based in Taiwa ...
in
Nanjing
Nanjing (; , Mandarin pronunciation: ), alternately romanized as Nanking, is the capital of Jiangsu province of the People's Republic of China. It is a sub-provincial city, a megacity, and the second largest city in the East China region. T ...
, he was instrumental in the identification in 1944 of the dawn redwood, ''
Metasequoia glyptostroboides
''Metasequoia glyptostroboides'', the dawn redwood, is a fast-growing, endangered deciduous pinophyta, conifer. It is the sole living species of the genus ''Metasequoia'', one of three genera in the subfamily Sequoioideae of the family (botany), ...
'' previously known only from fossils.
The plant ''
Juniperus chengii'' is named in his honour.
References
1908 births
1987 deaths
20th-century Chinese botanists
Biologists from Jiangsu
Botanists with author abbreviations
Members of the Chinese Academy of Sciences
Scientists from Xuzhou
National Central University faculty
{{China-botanist-stub