Data sources

Each value Trefle shows for Ulmus davidiana, with what every source says about it. When sources disagree, the strongest source is shown (how sources are ranked). Values imported before sources were recorded one by one are marked Source not recorded.

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Sourced2 Source not recorded9 Not on the record2 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Planch.	No source recorded	Source not recorded
Bibliography	A.P.de Candolle, Prodr. 17: 158 (1873)	No source recorded	Source not recorded
Phylum	Tracheophyta	No source recorded	Source not recorded
Rank	species	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1873	No source recorded	Source not recorded
Descriptive
Common name	Japanese elm	No source recorded	Source not recorded
Observations	N. & EC. China	No source recorded	Source not recorded
Morphology
Average height	1500 cm	1500 cm · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09 TRY 7.0 datasets 68, 214, 873, 909	Sourced
Vegetable	false	No source recorded	Source not recorded
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 444	Sourced
Usda legacy
C n ratio	empty	24.2 · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09 TRY 7.0 datasets 307, 412	Not on the record
Other
Human usage type	—	other, timber · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 68	Not on the record

Ulmus davidiana Planch., 1873 12% complete

Japanese elm

.fa-secondary{opacity:.4} Data sources

Data sources