Data sources

Each value Trefle shows for Vigna umbellata, 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 recorded7 Not on the record2 Sources: TRY Plant Trait Database, Earlier Trefle data, POWO / WCVP (Kew)

Field	Shown	What the sources say
Core
Author	(Thunb.) Ohwi & H.Ohashi	(Thunb.) Ohwi & H.Ohashi · POWO / WCVP (Kew) · Reported · 2026-10-11	Sourced
Bibliography	J. Jap. Bot. 44:31. 1969	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	1969	No source recorded	Source not recorded
Descriptive
Common name	Oriental-bean	No source recorded	Source not recorded
Observations	Trop. & Subtrop. Asia	No source recorded	Source not recorded
Morphology
Fruit shape	empty	legume · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Vegetable	true	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Phenology
Duration	empty	annual · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Ecology
Nitrogen fixation	High	High · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 444	Sourced

Vigna umbellata (Thunb.) Ohwi & H.Ohashi, 1969 9% complete

Oriental-bean

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

Data sources