Data sources

Each value Trefle shows for Ilex crenata, 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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Sourced7 Differs from sources1 Source not recorded15 Not on the record3 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Thunb.	No source recorded	Source not recorded
Bibliography	J.A.Murray, Syst. Veg. ed. 14: 168 (1784)	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	1784	No source recorded	Source not recorded
Descriptive
Common name	Japanese holly	No source recorded	Source not recorded
Observations	E. Nepal to Temp. E. Asia	No source recorded	Source not recorded
Morphology
Average height	305 cm	304.8 cm · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09 TRY 7.0 datasets 28, 92, 214, 431, 873	Differs from sources
Flower color	yellow	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Flower conspicuous	false	No source recorded	Source not recorded
Foliage color	green	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Foliage texture	fine	fine · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit color	black	black · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit conspicuous	true	No source recorded	Source not recorded
Growth form	Multiple Stem	No source recorded	Source not recorded
Growth habit	Tree, Shrub	No source recorded	Source not recorded
Growth rate	Slow	Slow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 28, 92, 818	Sourced
Ecology
Ph maximum	pH 5.5	No source recorded	Source not recorded
Ph minimum	pH 4.5	No source recorded	Source not recorded
Cultivation
Minimum root depth	22 cm	22 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 92, 432	Sourced
Other
Human usage type	—	coppice_potential, nursery_stock · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Salt tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	Deep · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Ilex crenata Thunb., 1784 37% complete

Japanese holly

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Data sources