Data sources

Each value Trefle shows for Dioscorea oppositifolia, 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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Sourced4 Source not recorded9 Not on the record1 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Sp. Pl.: 1033 (1753)	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	1753	No source recorded	Source not recorded
Descriptive
Common name	Chinese yam	No source recorded	Source not recorded
Observations	S. India, Sri Lanka, E. Himalaya to Myanmar	No source recorded	Source not recorded
Morphology
Foliage color	green	green · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 236, 443, 879	Sourced
Foliage texture	fine	fine · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 236, 443, 879	Sourced
Growth habit	Vine, Forb/herb	Vine, Forb/herb · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 236, 443, 460, 879	Sourced
Usda legacy
C n ratio	empty	41.2 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 412	Not on the record

Dioscorea oppositifolia L., 1753 16% complete

Chinese yam

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

Data sources