Data sources

Each value Trefle shows for Dioscorea nipponica, 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 recorded8 Not on the record1 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Makino	No source recorded	Source not recorded
Bibliography	Ill. Fl. Japan 1(7): 2 (1891)	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	1891	No source recorded	Source not recorded
Descriptive
Observations	C. China to N. & C. Japan	No source recorded	Source not recorded
Morphology
Foliage color	green	green · TRY Plant Trait Database · Measured · 22 observations · 2026-10-09 TRY 7.0 datasets 236, 443, 879	Sourced
Foliage texture	fine	fine · TRY Plant Trait Database · Measured · 11 observations · 2026-10-09 TRY 7.0 datasets 236, 443, 879	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	annual	annual · TRY Plant Trait Database · Measured · 15 observations · 2026-10-09 TRY 7.0 datasets 236, 443, 460, 879	Sourced
Usda legacy
C n ratio	empty	22.1 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 412	Not on the record

Dioscorea nipponica Makino, 1891 12% complete

No common name

Data sources

Dioscorea nipponica Makino, 1891 12% complete

No common name

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

Data sources