Data sources

Each value Trefle shows for Pyrus betulifolia, 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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Sourced5 Source not recorded10 Not on the record2 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Bunge	No source recorded	Source not recorded
Bibliography	Enum. Pl. China Bor.: 27 (1833)	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	1833	No source recorded	Source not recorded
Descriptive
Common name	Birch-leaf pear	No source recorded	Source not recorded
Family common name	Rose family	No source recorded	Source not recorded
Observations	China to Laos	No source recorded	Source not recorded
Morphology
Average height	1000 cm	1000 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 68, 214, 236	Sourced
Foliage color	green	green · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 236, 443, 879	Sourced
Foliage texture	fine	fine · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 236, 443, 879	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 11 observations · 2026-10-09 TRY 7.0 datasets 236, 443, 879	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 822	Sourced
Usda legacy
C n ratio	empty	33.1 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 300, 412	Not on the record
Other
Human usage type	—	ornamental, other, timber · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 68	Not on the record

Pyrus betulifolia Bunge, 1833 20% complete

Birch-leaf pear

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

Data sources