Picris hieracioides L., 1753 43% complete

Hawkweed ox-tongue

Sp. Pl.: 792 (1753)

Data sources

Each value Trefle shows for Picris hieracioides, 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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Sourced14 Differs from sources2 Source not recorded10 Not on the record7 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.: 792 (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 Hawkweed ox-tongue No source recorded
Source not recorded
Family common name Aster family No source recorded
Source not recorded
Observations Temp. Eurasia No source recorded
Source not recorded
Morphology
Average height 46 cm
  • 45.5 cm · TRY Plant Trait Database · Measured · 110 observations · 2026-10-09
    TRY 7.0 datasets 25, 28, 45, 50, 88, 133, 161, 174, 175, 178, 203, 251, 474, 500, 776, 818, 897, 898, 918, 926
2 earlier or rejected values
  • Superseded 45.5 cm · TRY Plant Trait Database · Measured · 110 observations · 2026-10-09
    TRY 7.0 datasets 25, 28, 45, 50, 88, 133, 161, 174, 175, 178, 203, 251, 474, 500, 776, 818, 897, 898, 918, 926
  • Superseded 45.5 cm · TRY Plant Trait Database · Measured · 110 observations · 2026-09-17
    TRY 7.0 datasets 25, 28, 45, 50, 88, 133, 161, 174, 175, 178, 203, 251, 474, 500, 776, 818, 897, 898, 918, 926
Differs from sources
Biological type hemicryptophyte
  • hemicryptophyte · TRY Plant Trait Database · Measured · 33 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 98, 161, 174, 175, 178, 220, 500, 918
2 earlier or rejected values
  • Superseded hemicryptophyte · TRY Plant Trait Database · Measured · 33 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 98, 161, 174, 175, 178, 220, 500, 918
  • Superseded hemicryptophyte · TRY Plant Trait Database · Measured · 33 observations · 2026-09-17
    TRY 7.0 datasets 4, 25, 71, 98, 161, 174, 175, 178, 220, 500, 918
Sourced
Flower color yellow
2 earlier or rejected values
Sourced
Foliage texture coarse
2 earlier or rejected values
Sourced
Fruit color empty
2 earlier or rejected values
Not on the record
Growth habit Forb/herb
  • Forb/herb · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Maximum height 80 cm
  • 80 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09
    TRY 7.0 datasets 25, 28, 45, 50, 88, 133, 161, 174, 175, 178, 203, 251, 474, 500, 776, 818, 897, 898, 918, 926
2 earlier or rejected values
  • Superseded 80 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09
    TRY 7.0 datasets 25, 28, 45, 50, 88, 133, 161, 174, 175, 178, 203, 251, 474, 500, 776, 818, 897, 898, 918, 926
  • Superseded 80 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-09-17
    TRY 7.0 datasets 25, 28, 45, 50, 88, 133, 161, 174, 175, 178, 203, 251, 474, 500, 776, 818, 897, 898, 918, 926
Sourced
Sexuality empty
2 earlier or rejected values
Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months apr, may, jun, jul
  • apr, may, jun, jul · TRY Plant Trait Database · Measured · 9 observations · 2026-10-20
    TRY 7.0 datasets 4, 45, 50, 174, 203
3 earlier or rejected values
  • Superseded feb, apr, may, jun, jul · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09
    TRY 7.0 datasets 4, 45, 50, 174, 203
  • Superseded feb, apr, may, jun, jul · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09
    TRY 7.0 datasets 4, 45, 50, 174, 203
  • Superseded feb, apr, may, jun, jul · TRY Plant Trait Database · Measured · 9 observations · 2026-09-17
    TRY 7.0 datasets 4, 45, 50, 174, 203
Sourced
Duration biennial, perennial
  • biennial, perennial · TRY Plant Trait Database · Measured · 14 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 50, 71, 98, 178, 203, 460, 818, 882, 918
2 earlier or rejected values
  • Superseded biennial, perennial · TRY Plant Trait Database · Measured · 14 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 50, 71, 98, 178, 203, 460, 818, 882, 918
  • Superseded biennial, perennial · TRY Plant Trait Database · Measured · 14 observations · 2026-09-17
    TRY 7.0 datasets 4, 25, 50, 71, 98, 178, 203, 460, 818, 882, 918
Sourced
Ecology
Atmospheric humidity 4 / 9 · moderately dry air
  • 4 / 9 · moderately dry air · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ground humidity empty
  • 4 / 12 · moderately dry (meso-xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
2 earlier or rejected values
  • Superseded 4 / 12 · moderately dry (meso-xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
  • Superseded 4 / 12 · moderately dry (meso-xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17
    TRY 7.0 datasets 178
Not on the record
Light 8 / 9 · light
2 earlier or rejected values
Sourced
Nitrogen fixation None
2 earlier or rejected values
  • Superseded None · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09
    TRY 7.0 datasets 71, 89, 444, 445
  • Superseded None · TRY Plant Trait Database · Measured · 5 observations · 2026-09-17
    TRY 7.0 datasets 71, 89, 444, 445
Sourced
Ph maximum pH 8
  • pH 8 · 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 7.5
  • pH 7.5 · 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)
  • 4 / 9 · rather poor (meso-oligotrophic) · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 178, 242, 489
2 earlier or rejected values
  • Superseded 4 / 9 · rather poor (meso-oligotrophic) · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 178, 242, 489
  • Superseded 4 / 9 · rather poor (meso-oligotrophic) · TRY Plant Trait Database · Measured · 3 observations · 2026-09-17
    TRY 7.0 datasets 178, 242, 489
Differs from sources
Soil salinity 0 / 9 · absent from saline soils
  • 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 178, 242, 489
2 earlier or rejected values
  • Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 178, 242, 489
  • Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-09-17
    TRY 7.0 datasets 178, 242, 489
Sourced
Cultivation
Minimum root depth 71 cm
2 earlier or rejected values
Sourced
Usda legacy
C n ratio empty
2 earlier or rejected values
Not on the record
Other
Shade tolerance —
2 earlier or rejected values
Not on the record
Soil ph indicator —
2 earlier or rejected values
Not on the record
Temperature indicator —
2 earlier or rejected values
Not on the record