Data sources

Each value Trefle shows for Scorzonera cana, 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 Differs from sources1 Source not recorded9 Not on the record8 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	(C.A.Mey.) Hoffm.	No source recorded	Source not recorded
Bibliography	Nat. Pflanzenfam. 4(5): 365 (1893)	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	1893	No source recorded	Source not recorded
Descriptive
Family common name	Aster family	No source recorded	Source not recorded
Observations	Europe to SW. Siberia and Iran	No source recorded	Source not recorded
Morphology
Average height	15 cm	14.5 cm · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09 TRY 7.0 datasets 468, 500, 818, 898, 918, 926	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 84, 500, 918	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 818, 918	Sourced
Ecology
Ground humidity	empty	4 / 12 · moderately dry (meso-xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Not on the record
Light	empty	8 / 9 · light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Not on the record
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71	Not on the record
Soil nutriments	empty	4 / 9 · rather poor (meso-oligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Not on the record
Soil salinity	empty	3 / 9 · slightly saline (oligohaline) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Not on the record
Cultivation
Minimum root depth	66 cm	66 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 818, 898	Sourced
Usda legacy
C n ratio	empty	14.8 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 329	Not on the record
Other
Soil ph indicator	—	8 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Not on the record
Temperature indicator	—	7 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Not on the record

Scorzonera cana (C.A.Mey.) Hoffm., 1893 14% complete

No common name

Data sources

Scorzonera cana (C.A.Mey.) Hoffm., 1893 14% complete

No common name

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

Data sources