Hieracium umbellatum L., 1753 43% complete

Narrow-leaf hawkweed

Sp. Pl.: 804 (1753)

Data sources

Each value Trefle shows for Hieracium umbellatum, 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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Sourced9 Differs from sources3 Source not recorded14 Not on the record7 Sources: TRY Plant Trait Database
Field Shown What the sources say
Core
Author L. No source recorded
Source not recorded
Bibliography Sp. Pl.: 804 (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 Narrow-leaf hawkweed No source recorded
Source not recorded
Family common name Aster family No source recorded
Source not recorded
Observations Temp. Northern Hemisphere No source recorded
Source not recorded
Morphology
Average height 37 cm
  • 37.1 cm · TRY Plant Trait Database · Measured · 28 observations · 2026-10-09
    TRY 7.0 datasets 25, 45, 88, 116, 164, 174, 203, 310, 617, 775, 818, 898, 918
Differs from sources
Biological type hemicryptophyte
  • hemicryptophyte · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 84, 164, 174, 203, 500, 918
Sourced
Flower color yellow Sourced
Foliage texture medium Sourced
Fruit shape empty Not on the record
Growth habit Forb/herb No source recorded
Source not recorded
Maximum height 90 cm
  • 90 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 25, 45, 88, 116, 164, 174, 203, 310, 617, 775, 818, 898, 918
Sourced
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months aug, sep
  • feb, jul, sep · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09
    TRY 7.0 datasets 4, 45, 174, 203
Differs from sources
Duration perennial
  • perennial · TRY Plant Trait Database · Measured · 11 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 203, 460, 818, 918, 925
Sourced
Ecology
Atmospheric humidity 5 / 9 · medium air humidity No source recorded
Source not recorded
Ground humidity empty
  • 4 / 12 · moderately dry (meso-xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 203
Not on the record
Light 6 / 9 · half-shade to half-light
  • 7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 489
Differs from sources
Nitrogen fixation None Sourced
Ph maximum pH 5.5 No source recorded
Source not recorded
Ph minimum pH 5 No source recorded
Source not recorded
Soil nutriments 3 / 9 · poor (oligotrophic)
  • 3 / 9 · poor (oligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 242, 489
Sourced
Soil salinity 0 / 9 · absent from saline soils
  • 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 242, 489
Sourced
Cultivation
Minimum root depth 67 cm Sourced
Usda legacy
C n ratio empty Not on the record
Other
Shade tolerance — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record