Tetradium ruticarpum(A.Juss.) T.G.Hartley

WFO wfo-0000455303 Accepted WFO 2026-06 8 photographs CC BY

Plate 1 figs. a–h · 6 observations

This species has been photographed under an open licence only 6 times, so some figures below are different views of the same plant, taken on the same day, rather than different individuals. They are usually different parts of it: the leaf, the flower, the bark.

Tetradium ruticarpum, photographed by Jacy Chen
fig. a Jacy Chen, CC BY 4.0 / 2022-05-06 / obs. 202645621
Tetradium ruticarpum, photographed by Jacy Chen
fig. b Jacy Chen, CC BY 4.0 / obs. 163064928
Tetradium ruticarpum, photographed by Jacy Chen
fig. c Jacy Chen, CC BY 4.0 / obs. 163081583
Tetradium ruticarpum, photographed by Jacy Chen
fig. d Jacy Chen, CC BY 4.0 / obs. 165266944
Tetradium ruticarpum, photographed by Tatsutomo Chin
fig. e Tatsutomo Chin, CC BY 4.0 / obs. 41986357
Tetradium ruticarpum, photographed by 呂一起(Lyu yi-chi)
fig. f 呂一起(Lyu yi-chi), CC BY 4.0 / obs. 32622834
Tetradium ruticarpum, photographed by Jacy Chen
fig. g Jacy Chen, CC BY 4.0 / obs. 202645641
Tetradium ruticarpum, photographed by Jacy Chen
fig. h Jacy Chen, CC BY 4.0 / obs. 163081514

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Native range 9 botanical countries

Regions where Tetradium ruticarpum is native: China North-Central, China South-Central, China Southeast, Taiwan, Assam, East Himalaya, Myanmar, Nepal, Vietnam China North-CentralChina South-CentralChina SoutheastTaiwanAssamEast HimalayaMyanmarNepalVietnam
Native distribution of Tetradium ruticarpum, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows.
RegionTDWG codeContinent
Assam ASS ASIA-TROPICAL
East Himalaya EHM
Myanmar MYA
Nepal NEP
Vietnam VIE
China North-Central CHN ASIA-TEMPERATE
China South-Central CHC
China Southeast CHS
Taiwan TAI

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

Where it actually grows measured, from 55 observations

Condition 5th percentile Median 95th percentile
Coldest month, mean daily low 0.9 °C 2.7 °C 8.9 °C
Warmest month, mean daily high 19.6 °C 22.1 °C 27.6 °C
Annual rainfall 3,336 mm 4,234 mm 4,848 mm
Rainfall in the driest quarter 182 mm 407 mm 681 mm

It is found where winters are cool but frost is light or absent. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 55 research-grade observations of Tetradium ruticarpum that carry a coordinate, and this is the range those places actually span. The 5th and 95th percentiles are used rather than the minimum and maximum, because a single cultivated specimen in a heated conservatory should not widen a tropical plant's range to the Arctic.

This is not a hardiness zone. A USDA zone is the average annual extreme minimum temperature. The figure above is the mean daily minimum of the coldest month, which is a different quantity and is typically far warmer. Reading one as the other would place a plant several zones too warm, so we do not publish a hardiness zone, because we do not have one.

Also published as 21 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Ampacus ruticarpa (A.Juss.) Kuntze
  • Boymia ruticarpa A.Juss.
  • Cyclocarpus japonicus Jungh.
  • Euodia bodinieri Dode
  • Euodia compacta Hand.-Mazz.
  • Euodia compacta var. meionocarpa Hand.-Mazz.
  • Euodia hirsutifolia Hayata
  • Euodia officinalis Dode
  • Euodia rugosa Rehder & E.H.Wilson
  • Euodia ruticarpa (A.Juss.) Benth.
  • Evodia baberi Rehder & E.H.Wilson
  • Evodia bodinieri Dode
  • Evodia compacta Hand.-Mazz.
  • Evodia compacta var. meionocarpa Hand.-Mazz.
  • Evodia hirsutifolia Hayata
  • Evodia officinalis Dode
  • Evodia rugosa Rehder & E.H.Wilson
  • Evodia ruticarpa (A.Juss.) Hook.f. & Thomson
  • Evodia ruticarpa f. meionocarpa (Hand.-Mazz.) C.C.Huang
  • Evodia ruticarpa var. bodinieri (Dode) C.C.Huang
  • Evodia ruticarpa var. officinalis (Dode) C.C.Huang

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
  3. Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.