Verbascum thapsus L., 1753 43% complete

Common mullein

Sp. Pl.: 177 (1753)

Data sources

Each value Trefle shows for Verbascum thapsus, 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 sources1 Source not recorded13 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.: 177 (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 Common mullein No source recorded
Source not recorded
Observations Azores, Europe to Siberia and Himalaya No source recorded
Source not recorded
Morphology
Average height 82 cm
  • 82 cm · TRY Plant Trait Database · Measured · 69 observations · 2026-10-09
    TRY 7.0 datasets 7, 25, 66, 116, 174, 175, 178, 193, 251, 415, 468, 500, 520, 569, 818, 866, 882, 918
Sourced
Biological type hemicryptophyte
  • hemicryptophyte · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 174, 175, 178, 500, 918
Sourced
Flower color yellow Sourced
Foliage texture medium Sourced
Fruit shape capsule Sourced
Growth habit Forb/herb No source recorded
Source not recorded
Maximum height 175 cm
  • 175 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09
    TRY 7.0 datasets 7, 25, 66, 116, 174, 175, 178, 193, 251, 415, 468, 500, 520, 569, 818, 866, 882, 918
Sourced
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months feb, may, jun, jul
  • feb, may, jun, jul · TRY Plant Trait Database · Measured · 55 observations · 2026-10-09
    TRY 7.0 datasets 4, 163, 174, 415
Sourced
Duration annual, biennial, perennial
  • annual, biennial, perennial · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 28, 71, 110, 178, 193, 759, 818, 882, 918
Sourced
Ecology
Atmospheric humidity 4 / 9 · moderately dry air 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 178
Not on the record
Light 8 / 9 · light Sourced
Nitrogen fixation None
  • None · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09
    TRY 7.0 datasets 20, 57, 71, 193, 444, 445
Sourced
Ph maximum pH 7.5 No source recorded
Source not recorded
Ph minimum pH 7 No source recorded
Source not recorded
Soil nutriments 7 / 9 · rich (eutrophic)
  • 6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    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
Sourced
Cultivation
Minimum root depth 35 cm Sourced
Usda legacy
C n ratio empty Not on the record
Other
Propagation method — Not on the record
Shade tolerance — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record