Data sources

Each value Trefle shows for Alstonia boonei, 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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Sourced1 Source not recorded9 Not on the record4 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	De Wild.	No source recorded	Source not recorded
Bibliography	Repert. Spec. Nov. Regni Veg. 13: 382 (1914)	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	1914	No source recorded	Source not recorded
Descriptive
Common name	Alstonia	No source recorded	Source not recorded
Observations	W. Trop. Africa to Ethiopia and Tanzania	No source recorded	Source not recorded
Morphology
Average height	3370 cm	3370 cm · TRY Plant Trait Database · Measured · 18 observations · 2026-10-09 TRY 7.0 datasets 398, 873	Sourced
Biological type	empty	phanerophyte · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 350	Not on the record
Fruit shape	empty	follicle · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 350	Not on the record
Vegetable	false	No source recorded	Source not recorded
Ecology
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 445	Not on the record
Usda legacy
C n ratio	empty	18.6 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 398	Not on the record

Alstonia boonei De Wild., 1914 10% complete

Alstonia

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Data sources