Data sources

Each value Trefle shows for Phacelia tanacetifolia, 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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Sourced13 Differs from sources1 Source not recorded16 Not on the record8 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Benth.	No source recorded	Source not recorded
Bibliography	Trans. Linn. Soc. London 17: 280 (1835)	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	1835	No source recorded	Source not recorded
Descriptive
Common name	Fiddleneck	No source recorded	Source not recorded
Observations	California to Mexico (Baja California Norte)	No source recorded	Source not recorded
Morphology
Average height	77 cm	77 cm · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 25, 92, 116, 164, 500, 882	Sourced
Biological type	therophyte	therophyte · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 4, 164, 500, 918	Sourced
Flower color	blue	blue, purple · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 4, 92, 882	Differs from sources
Flower conspicuous	true	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	medium	medium · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 92	Sourced
Fruit color	brown	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit conspicuous	false	No source recorded	Source not recorded
Fruit shape	capsule	capsule · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 4, 882	Sourced
Growth form	Single Crown	No source recorded	Source not recorded
Growth habit	Forb/herb	No source recorded	Source not recorded
Growth rate	Rapid	Rapid · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	empty	No source recorded 1 earlier or rejected value Rejected 70 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 25, 92, 116, 164, 500, 882 below the average height (77 cm) of the same record	Not on the record
Sexuality	empty	hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	annual	annual · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 92, 164, 818, 882, 918	Sourced
Ecology
Atmospheric humidity	5 / 9 · medium air humidity	No source recorded	Source not recorded
Ground humidity	empty	5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Not on the record
Light	8 / 9 · light	8 / 9 · light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Sourced
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 71, 445	Sourced
Ph maximum	pH 8.6	No source recorded	Source not recorded
Ph minimum	pH 6.4	No source recorded	Source not recorded
Soil nutriments	7 / 9 · rich (eutrophic)	7 / 9 · rich (eutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Sourced
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Sourced
Cultivation
Minimum root depth	88 cm	88 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 92, 818	Sourced
Other
Propagation method	—	seed · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Salt tolerance	—	Low · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Soil ph indicator	—	7 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Not on the record
Temperature indicator	—	6 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Not on the record

Phacelia tanacetifolia Benth., 1835 52% complete

Fiddleneck

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Data sources