Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (101).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (124).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (115).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (113).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (103).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (110).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (105).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (106).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (122).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (120).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (102).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (116).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (114).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (119).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (125).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (117).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (118).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (108).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (109).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (121).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (104).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (99).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (100).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (126).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (127).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (112).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (111).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (123).JPG
Helwingia japonica, Davidson, C 11990--China. Zhejiang Prov. Tian Mu Shan. 2 Jun 2012. DSC01554 (107).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (285).JPG](https://images.floraoftheworld.org/05d8fcd0-f12a-4729-9e06-95402325b9bd/05d8fcd0-f12a-4729-9e06-95402325b9bd_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (285).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (281).JPG](https://images.floraoftheworld.org/0bb636f0-f25a-4725-9aab-8316a61c618d/0bb636f0-f25a-4725-9aab-8316a61c618d_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (281).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (282).JPG](https://images.floraoftheworld.org/278cbcde-4faa-47f3-9394-90b129975251/278cbcde-4faa-47f3-9394-90b129975251_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (282).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (286).JPG](https://images.floraoftheworld.org/34a719f9-9fd5-4497-a770-034610a732c8/34a719f9-9fd5-4497-a770-034610a732c8_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (286).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (277).JPG](https://images.floraoftheworld.org/4596d5f0-ff0c-4e57-a4de-857297ef4b65/4596d5f0-ff0c-4e57-a4de-857297ef4b65_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (277).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (293).JPG](https://images.floraoftheworld.org/556ead29-e499-4101-9b6e-2d63ea17b07c/556ead29-e499-4101-9b6e-2d63ea17b07c_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (293).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (283).JPG](https://images.floraoftheworld.org/5628395e-e5c5-4657-a26c-722530c76a42/5628395e-e5c5-4657-a26c-722530c76a42_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (283).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (291).JPG](https://images.floraoftheworld.org/637d10ba-2e0c-43cd-ab54-1da5ab87ebb8/637d10ba-2e0c-43cd-ab54-1da5ab87ebb8_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (291).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (284).JPG](https://images.floraoftheworld.org/6cebbaf3-2274-48be-96ad-bec0642b72cd/6cebbaf3-2274-48be-96ad-bec0642b72cd_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (284).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (279).JPG](https://images.floraoftheworld.org/8472ac5e-143c-439f-960c-65e220f8bd23/8472ac5e-143c-439f-960c-65e220f8bd23_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (279).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (295).JPG](https://images.floraoftheworld.org/8f67bd5b-7220-4e2e-a7f3-50e91e94bf6b/8f67bd5b-7220-4e2e-a7f3-50e91e94bf6b_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (295).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (275).JPG](https://images.floraoftheworld.org/9aa33278-fca7-4d7c-9d1c-f08728083462/9aa33278-fca7-4d7c-9d1c-f08728083462_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (275).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (290).JPG](https://images.floraoftheworld.org/9d950425-9a75-498a-adb5-6c7504e1f3c1/9d950425-9a75-498a-adb5-6c7504e1f3c1_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (290).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (280).JPG](https://images.floraoftheworld.org/ba77d1a5-a776-4668-8932-acbb82d0ed13/ba77d1a5-a776-4668-8932-acbb82d0ed13_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (280).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (294).JPG](https://images.floraoftheworld.org/bc3e7c3f-fc5c-4812-ab5b-c19a54bc13f8/bc3e7c3f-fc5c-4812-ab5b-c19a54bc13f8_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (294).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (292).JPG](https://images.floraoftheworld.org/bfc4c444-ba66-44f3-a320-e533ccb9fd70/bfc4c444-ba66-44f3-a320-e533ccb9fd70_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (292).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (296).JPG](https://images.floraoftheworld.org/c21949a7-49fe-40d0-8045-2d7c4c3419d5/c21949a7-49fe-40d0-8045-2d7c4c3419d5_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (296).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (288).JPG](https://images.floraoftheworld.org/c4a3e2a1-564e-444e-9ac2-cc0da4ee7f81/c4a3e2a1-564e-444e-9ac2-cc0da4ee7f81_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (288).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (289).JPG](https://images.floraoftheworld.org/ccede5d9-cb3b-4241-b6db-90f3a4d17f39/ccede5d9-cb3b-4241-b6db-90f3a4d17f39_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (289).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (276).JPG](https://images.floraoftheworld.org/da82763f-19f5-4761-bbcd-768fbdfba4b4/da82763f-19f5-4761-bbcd-768fbdfba4b4_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (276).JPG
![Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (278).JPG](https://images.floraoftheworld.org/e2e30819-fc04-4fc4-a866-72acd529f9c5/e2e30819-fc04-4fc4-a866-72acd529f9c5_large)
Helwingia japonica, [Boufford, D 43605]--China. Sichuan. LiXian. MiYaLuo. 9 May 2014. DSC04513 (278).JPG
Native to China North-Central, China South-Central, China Southeast, East Himalaya, Japan, Korea, Myanmar, Nansei-shoto, Taiwan (source: POWO). Flora of the World documents 3 occurrences across 2 countries.
Location
China, Zhejiang, Hangzhou (Lin'an, Lin'an District)
30.323917, 119.448611
Location Remarks
TianMu Shan National Nature Reserve. West TianMuShan. ZhaoXiXiang, NingAn City. Roadside and trail through deciduous forest just north of Fu Yu Resort. 379 m elev.
Collectors
Christopher Davidson, Fu Cheng Xin, Qiuyun (Jenny) Xiang, Sharon R. Christoph, David E. Boufford
Notes
Shrub 1.5 m.
Location
China, Sichuan, Ngawa (Heishui, Heishui County)
32.103056, 102.811111
Location Remarks
Heishui Xian. W of the city of Heishui on provincial road S302 near Shashiduo Xiang. Along stream at base of mixed forest of Acer (3 species), Betula, Abies, Picea, Sorbus, Salix, Taxus, with Hippophaë immediately along stream and mixed shrub understory and rich herb layer; soil dark and moist. 2675 m elev.
Collectors
David E. Boufford, Sharon R. Christoph, Christopher Davidson, Yun-Dong Gao, Qiuyun (Jenny) Xiang
Location
Japan, Honshu, Niigata (Shinano, Kamiminochi, Nojiri)
36.848667, 138.137194
Location Remarks
Myoko-Togakushi Renzan National Park. Suginosawa. Road 280 (on Google Maps) east to parking for trail to Naena-taki (waterfall). 785 m elev.
Collectors
David E. Boufford, Christopher Davidson, Sharon R. Christoph
Notes
Deciduous forest along Seki-kawa (river). Various places along the trail between parking and the waterfall. Shrub ca. 1 m.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Aquifoliales
Family
Helwingiaceae
Genus
Helwingia
Specific Epithet
japonica
Authorship
(Thunb.) F.Dietr.
What is EDGE?
Evolutionary distinctiveness
Lower
ED 3.0
Part of a well-represented branch of the plant tree of life, with many close relatives.
Threat status
Modelled estimate
EDGE score
0.2
Global rank
#179,427 of 335,497
Top 54%
Extinction probability
10%
