Calendula officinalis L., 1753 39% complete

Calendula

Sp. Pl.: 921 (1753)

Data sources

Each value Trefle shows for Calendula officinalis, 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 record5 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.: 921 (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 Calendula No source recorded
Source not recorded
Family common name Aster family No source recorded
Source not recorded
Observations W. Medit. No source recorded
Source not recorded
Morphology
Average height 32 cm
  • 31.8 cm · TRY Plant Trait Database · Measured · 32 observations · 2026-10-09
    TRY 7.0 datasets 25, 116, 178, 251, 500, 564, 574
Differs from sources
Biological type therophyte Sourced
Flower color orange, yellow Sourced
Foliage texture empty Not on the record
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 45 cm
  • 45 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 25, 116, 178, 251, 500, 564, 574
Sourced
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Duration annual
  • annual · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 28, 178, 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
  • 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
Not on the record
Light 8 / 9 · light Sourced
Nitrogen fixation None Sourced
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 6 / 9 · rather rich (meso-eutrophic) Differs from sources
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 178, 489
Sourced
Other
Soil ph indicator — Not on the record
Temperature indicator — Not on the record