Tofieldia calyculata (L.) Wahlenb., 1812 37% complete

German-asphodel

Fl. Lapp.: 90 (1812)

Data sources

Each value Trefle shows for Tofieldia calyculata, 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.

Something wrong? Suggest a correction.

Sourced12 Differs from sources2 Source not recorded9 Not on the record7 Sources: TRY Plant Trait Database, Earlier Trefle data
Field Shown What the sources say
Core
Author (L.) Wahlenb. No source recorded
Source not recorded
Bibliography Fl. Lapp.: 90 (1812) 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 1812 No source recorded
Source not recorded
Descriptive
Common name German-asphodel No source recorded
Source not recorded
Observations Gotland to Pyrenees and NC. Ukraine No source recorded
Source not recorded
Morphology
Average height 9 cm
  • 9 cm · TRY Plant Trait Database · Measured · 11 observations · 2026-10-09
    TRY 7.0 datasets 25, 164, 500, 807, 818, 898, 918
Sourced
Biological type hemicryptophyte
  • hemicryptophyte · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 500, 918
Sourced
Flower color yellow Differs from sources
Foliage texture empty Not on the record
Fruit shape empty Not on the record
Maximum height 20 cm
  • 20 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 25, 164, 500, 807, 818, 898, 918
Sourced
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months jun, jul, aug
  • jun|jul|aug · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Differs from sources
Duration perennial
  • perennial · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 460, 818, 918
Sourced
Ecology
Atmospheric humidity 8 / 9 · very humid air
  • 8 / 9 · very humid air · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ground humidity empty
  • 8 / 12 · very wet, flooded several months a year (hydrophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
Not on the record
Light 8 / 9 · light Sourced
Nitrogen fixation None 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 2 / 9 · very poor (peroligotrophic)
  • 2 / 9 · very poor (peroligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
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 7 cm Sourced
Usda legacy
C n ratio empty Not on the record
Other
Soil ph indicator — Not on the record
Temperature indicator — Not on the record