Data sources

Each value Trefle shows for Persicaria capitata, 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.

Sourced6 Differs from sources1 Source not recorded9 Not on the record2 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	(Buch.-Ham. ex D.Don) H.Gross	No source recorded	Source not recorded
Bibliography	Bot. Jahrb. Syst. 49: 277 (1913)	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	1913	No source recorded	Source not recorded
Descriptive
Common name	Japanese knotweed	No source recorded	Source not recorded
Observations	Indian Subcontinent to S. China and Indo-China	No source recorded	Source not recorded
Morphology
Average height	9 cm	8.5 cm · TRY Plant Trait Database · Measured · 20 observations · 2026-10-09 TRY 7.0 datasets 251, 500, 528, 699, 882	Differs from sources
Biological type	therophyte	therophyte · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 350, 500	Sourced
Flower color	white, green, magenta	green, magenta, white · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 350, 882	Sourced
Fruit color	empty	black, brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Fruit shape	nut	nut · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 350, 882	Sourced
Inflorescence type	head	head · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 350	Sourced
Maximum height	empty	10 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 251, 500, 528, 699, 882	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 71, 445	Sourced

Persicaria capitata (Buch.-Ham. ex D.Don) H.Gross, 1913 22% complete

Japanese knotweed

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

Data sources