Cephalanthera longifolia (L.) Fritsch, 1888 37% complete

Narrow-leaf helleborine

Oesterr. Bot. Z. 38: 81 (1888)

Data sources

Each value Trefle shows for Cephalanthera longifolia, 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.

Sourced11 Differs from sources3 Source not recorded9 Not on the record7 Sources: TRY Plant Trait Database, Earlier Trefle data
Field Shown What the sources say
Core
Author (L.) Fritsch No source recorded
Source not recorded
Bibliography Oesterr. Bot. Z. 38: 81 (1888) 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 1888 No source recorded
Source not recorded
Descriptive
Common name Narrow-leaf helleborine No source recorded
Source not recorded
Observations Europe, Medit. to C. China, Taiwan, Japan No source recorded
Source not recorded
Morphology
Average height 25 cm
  • 24.5 cm · TRY Plant Trait Database · Measured · 36 observations · 2026-10-09
    TRY 7.0 datasets 25, 116, 161, 164, 174, 175, 178, 421, 500, 605
2 earlier or rejected values
  • Superseded 24.5 cm · TRY Plant Trait Database · Measured · 36 observations · 2026-10-09
    TRY 7.0 datasets 25, 116, 161, 164, 174, 175, 178, 421, 500, 605
  • Superseded 24.5 cm · TRY Plant Trait Database · Measured · 36 observations · 2026-09-17
    TRY 7.0 datasets 25, 116, 161, 164, 174, 175, 178, 421, 500, 605
Differs from sources
Biological type geophyte
  • geophyte · TRY Plant Trait Database · Measured · 55 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 161, 164, 174, 175, 178, 220, 500, 918
2 earlier or rejected values
  • Superseded geophyte · TRY Plant Trait Database · Measured · 55 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 161, 164, 174, 175, 178, 220, 500, 918
  • Superseded geophyte · TRY Plant Trait Database · Measured · 55 observations · 2026-09-17
    TRY 7.0 datasets 4, 25, 71, 161, 164, 174, 175, 178, 220, 500, 918
Sourced
Flower color white
2 earlier or rejected values
Sourced
Foliage texture empty
2 earlier or rejected values
Not on the record
Fruit shape empty
2 earlier or rejected values
Not on the record
Maximum height 35 cm
  • 35 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 25, 116, 161, 164, 174, 175, 178, 421, 500, 605
2 earlier or rejected values
  • Superseded 35 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 25, 116, 161, 164, 174, 175, 178, 421, 500, 605
  • Superseded 35 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-09-17
    TRY 7.0 datasets 25, 116, 161, 164, 174, 175, 178, 421, 500, 605
Sourced
Sexuality empty
2 earlier or rejected values
Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months apr, may
3 earlier or rejected values
Differs from sources
Duration perennial
  • perennial · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 164, 175, 178, 460, 918
2 earlier or rejected values
  • Superseded perennial · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 164, 175, 178, 460, 918
  • Superseded perennial · TRY Plant Trait Database · Measured · 8 observations · 2026-09-17
    TRY 7.0 datasets 4, 25, 164, 175, 178, 460, 918
Sourced
Ecology
Atmospheric humidity 5 / 9 · medium air humidity
  • 5 / 9 · medium air humidity · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ground humidity 5 / 12 · fresh, never flooded (mesohydric)
  • 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
2 earlier or rejected values
  • Superseded 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
  • Superseded 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17
    TRY 7.0 datasets 178, 489
Sourced
Light 5 / 9 · half-shade
2 earlier or rejected values
  • Superseded 5 / 9 · half-shade · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
  • Superseded 5 / 9 · half-shade · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17
    TRY 7.0 datasets 178
Sourced
Nitrogen fixation None
2 earlier or rejected values
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 4 / 9 · rather poor (meso-oligotrophic)
  • 5 / 9 · intermediate (mesotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
2 earlier or rejected values
  • Superseded 5 / 9 · intermediate (mesotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
  • Superseded 5 / 9 · intermediate (mesotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17
    TRY 7.0 datasets 178, 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
2 earlier or rejected values
  • Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 178, 242, 489
  • Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-09-17
    TRY 7.0 datasets 178, 242, 489
Sourced
Usda legacy
C n ratio empty
2 earlier or rejected values
Not on the record
Other
Shade tolerance —
2 earlier or rejected values
Not on the record
Soil ph indicator —
2 earlier or rejected values
Not on the record
Temperature indicator —
2 earlier or rejected values
Not on the record