Data sources

Each value Trefle shows for Cycas revoluta, 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 record3 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Thunb.	No source recorded	Source not recorded
Bibliography	Verh. Holl. Maatsch. Weetensch. Haarlem 20: 424 (1782)	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	1782	No source recorded	Source not recorded
Descriptive
Common name	Sago cycas	No source recorded	Source not recorded
Observations	China (Fujian), Japan (Kyushu) to E. Taiwan	No source recorded	Source not recorded
Morphology
Average height	150 cm	150 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 214, 668, 742, 818	Sourced
Flower color	empty	white · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 668	Not on the record
Growth habit	Tree, Shrub	Tree, Shrub · 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	empty	perennial · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 818	Not on the record
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 67, 130, 445	Sourced
Cultivation
Minimum root depth	empty	100 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 432	Not on the record

Cycas revoluta Thunb., 1782 14% complete

Sago cycas

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

Data sources