Data sources

Each value Trefle shows for Verbena urticifolia, 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.

Sourced4 Source not recorded9 Not on the record2 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Sp. Pl.: 20 (1753)	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	1753	No source recorded	Source not recorded
Descriptive
Common name	Burvine	No source recorded	Source not recorded
Observations	Canada to C. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	121 cm	121 cm · TRY Plant Trait Database · Measured · 13 observations · 2026-10-09 TRY 7.0 datasets 28, 66, 818, 853	Sourced
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 918	Sourced
Growth habit	Forb/herb	Forb/herb · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 28, 818, 925	Sourced
Cultivation
Minimum root depth	empty	66 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 818	Not on the record
Usda legacy
C n ratio	empty	19.3 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 412	Not on the record

Verbena urticifolia L., 1753 16% complete

Burvine

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

Data sources