Data sources

Each value Trefle shows for Viola reichenbachiana, 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.

Something wrong? Suggest a correction.

Sourced9 Differs from sources1 Source not recorded8 Not on the record6 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Jord. ex Boreau	No source recorded	Source not recorded
Bibliography	Fl. Centre France, éd. 3, 2: 78 (1857)	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	1857	No source recorded	Source not recorded
Descriptive
Common name	Early dog violet	No source recorded	Source not recorded
Observations	Europe to N. Iran, NW. Africa	No source recorded	Source not recorded
Morphology
Average height	9 cm	8.5 cm · TRY Plant Trait Database · Measured · 30 observations · 2026-10-09 TRY 7.0 datasets 25, 161, 164, 174, 178, 203, 251, 500, 503, 729, 842, 918	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 165 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 161, 164, 174, 178, 203, 220, 500, 918	Sourced
Flower color	purple	purple · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Fruit shape	empty	capsule · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Maximum height	20 cm	20 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 25, 161, 164, 174, 178, 203, 251, 500, 503, 729, 842, 918	Sourced
Sexuality	empty	hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Phenology
Bloom months	mar, apr	mar, apr · TRY Plant Trait Database · Measured · 3 observations · 2026-10-20 TRY 7.0 datasets 4, 174, 203 1 earlier or rejected value Superseded jan, mar, apr · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 4, 174, 203	Sourced
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 164, 178, 203, 918	Sourced
Ecology
Ground humidity	6 / 12 · moist (meso-hygrophilous)	6 / 12 · moist (meso-hygrophilous) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 203	Sourced
Light	empty	4 / 9 · shade to half-shade · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 71, 445	Sourced
Soil nutriments	6 / 9 · rather rich (meso-eutrophic)	6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 242	Sourced
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 178, 242, 489	Sourced
Usda legacy
C n ratio	empty	21.2 · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09 TRY 7.0 datasets 227, 412	Not on the record
Other
Soil ph indicator	—	6 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 203	Not on the record
Temperature indicator	—	5 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 203, 489	Not on the record

Viola reichenbachiana Jord. ex Boreau, 1857 27% complete

Early dog violet

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

Data sources