Centaurea aspera L., 1753 39% complete

Rough star thistle

Sp. Pl.: 916 (1753)

Data sources

Each value Trefle shows for Centaurea aspera, 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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Sourced12 Differs from sources2 Source not recorded10 Not on the record2 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.: 916 (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 Rough star thistle No source recorded
Source not recorded
Family common name Aster family No source recorded
Source not recorded
Observations W. Europe to W. & C. Medit. No source recorded
Source not recorded
Morphology
Average height 41 cm
  • 41.4 cm · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09
    TRY 7.0 datasets 45, 86, 175, 251, 474, 655, 882
Differs from sources
Biological type chamaephyte Sourced
Flower color purple Sourced
Fruit shape achene Sourced
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 50 cm
  • 50 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 45, 86, 175, 251, 474, 655, 882
Sourced
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months jun, jul, aug, sep
  • jun|jul|aug|sep · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Differs from sources
Duration biennial, perennial
  • biennial, perennial · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 28, 86, 175, 882
Sourced
Ecology
Atmospheric humidity 3 / 9 · rather dry air
  • 3 / 9 · rather dry air · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Light 9 / 9 · full sun
  • 9 / 9 · full sun · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ph maximum 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
Ph minimum 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
Soil nutriments 5 / 9 · intermediate (mesotrophic)
  • 5 / 9 · intermediate (mesotrophic) · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Soil salinity 0 / 9 · absent from saline soils
  • 0 / 9 · absent from saline soils · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Cultivation
Minimum root depth empty Not on the record
Usda legacy
C n ratio empty Not on the record