Data sources

Each value Trefle shows for Ipomoea nil, 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 recorded9 Not on the record2 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	(L.) Roth	No source recorded	Source not recorded
Bibliography	Catal. Bot. 1: 36 (1797)	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	1797	No source recorded	Source not recorded
Descriptive
Common name	Japanese morning-glory	No source recorded	Source not recorded
Observations	Trop. & Subtrop. America	No source recorded	Source not recorded
Morphology
Fruit shape	capsule	capsule · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	annual, perennial	annual, perennial · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 28, 460, 882	Sourced
Fruit months	empty	mar, apr, may, jun, jul, aug · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 67, 444	Sourced
Usda legacy
C n ratio	empty	18.7 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 412	Not on the record

Ipomoea nil (L.) Roth, 1797 14% complete

Japanese morning-glory

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

Data sources