Data sources

Each value Trefle shows for Exacum tetragonum, 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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Sourced3 Source not recorded8 Not on the record1 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Roxb.	No source recorded	Source not recorded
Bibliography	Fl. Ind., 1: 413, 1820	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	1820	No source recorded	Source not recorded
Descriptive
Observations	S. China to Trop. Asia and N. Australia	No source recorded	Source not recorded
Morphology
Flower color	blue, purple	blue, purple · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Fruit shape	capsule	capsule · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Maximum height	empty	100 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	annual	annual · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 460, 882	Sourced

Exacum tetragonum Roxb., 1820 12% complete

No common name

Data sources

Exacum tetragonum Roxb., 1820 12% complete

No common name

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

Data sources