Data sources

Each value Trefle shows for Polygonum equisetiforme, 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.

Differs from sources1 Source not recorded9 Not on the record5 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Sm.	No source recorded	Source not recorded
Bibliography	J.Sibthorp & J.E.Smith, Fl. Graec. Prodr. 1: 266 (1809)	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	1809	No source recorded	Source not recorded
Descriptive
Common name	Horsetail knotweed	No source recorded	Source not recorded
Observations	Macaronesia, Medit. to C. Asia	No source recorded	Source not recorded
Morphology
Average height	58 cm	57.5 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 45, 251	Differs from sources
Biological type	empty	hemicryptophyte · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 877	Not on the record
Flower color	empty	magenta, white · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 877	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	empty	perennial · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 460	Not on the record
Ecology
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 445	Not on the record
Other
Halophyte status	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 877	Not on the record

Polygonum equisetiforme Sm., 1809 10% complete

Horsetail knotweed

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

Data sources