Achillea macrophylla L., 1753 35% complete

Big-leaf yarrow

Sp. Pl.: 898 (1753)

Data sources

Each value Trefle shows for Achillea macrophylla, 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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Sourced10 Differs from sources2 Source not recorded10 Not on the record8 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.: 898 (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 Big-leaf yarrow No source recorded
Source not recorded
Family common name Aster family No source recorded
Source not recorded
Observations Europe No source recorded
Source not recorded
Morphology
Average height 65 cm
2 earlier or rejected values
Sourced
Biological type hemicryptophyte
  • hemicryptophyte · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164
2 earlier or rejected values
  • Superseded hemicryptophyte · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164
  • Superseded hemicryptophyte · TRY Plant Trait Database · Measured · 4 observations · 2026-09-17
    TRY 7.0 datasets 4, 25, 71, 164
Sourced
Flower color white
2 earlier or rejected values
Sourced
Foliage texture empty
2 earlier or rejected values
Not on the record
Fruit shape empty
2 earlier or rejected values
Not on the record
Maximum height 100 cm
2 earlier or rejected values
  • Superseded 100 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 25, 164, 251
  • Superseded 100 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-09-17
    TRY 7.0 datasets 25, 164, 251
Sourced
Sexuality empty
2 earlier or rejected values
Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months jul, aug
  • jul|aug · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Differs from sources
Duration perennial
2 earlier or rejected values
Sourced
Ecology
Atmospheric humidity 7 / 9 · humid air
  • 7 / 9 · humid air · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ground humidity empty
  • 6 / 12 · moist (meso-hygrophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
2 earlier or rejected values
  • Superseded 6 / 12 · moist (meso-hygrophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
  • Superseded 6 / 12 · moist (meso-hygrophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17
    TRY 7.0 datasets 242
Not on the record
Light 7 / 9 · half-light to light
  • 7 / 9 · half-light to light · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Nitrogen fixation empty
2 earlier or rejected values
Not on the record
Ph maximum pH 7
  • pH 7 · Earlier Trefle data · Inferred · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement
Sourced
Ph minimum pH 6.5
  • pH 6.5 · Earlier Trefle data · Inferred · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement
Sourced
Soil nutriments 7 / 9 · rich (eutrophic)
  • 8 / 9 · very rich (pereutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
2 earlier or rejected values
  • Superseded 8 / 9 · very rich (pereutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
  • Superseded 8 / 9 · very rich (pereutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17
    TRY 7.0 datasets 242
Differs from sources
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 242
2 earlier or rejected values
  • Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
  • Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17
    TRY 7.0 datasets 242
Sourced
Usda legacy
C n ratio empty
2 earlier or rejected values
Not on the record
Other
Soil ph indicator —
2 earlier or rejected values
Not on the record
Temperature indicator —
2 earlier or rejected values
Not on the record