Oenothera parviflora L., 1759 37% complete

Northern evening primrose

Syst. Nat. ed. 10, 2: 998 (1759)

Data sources

Each value Trefle shows for Oenothera parviflora, 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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Sourced11 Differs from sources3 Source not recorded9 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 Syst. Nat. ed. 10, 2: 998 (1759) 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 1759 No source recorded
Source not recorded
Descriptive
Common name Northern evening primrose No source recorded
Source not recorded
Observations E. Canada to NC. & E. U.S.A. No source recorded
Source not recorded
Morphology
Average height 123 cm
  • 122.5 cm · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09
    TRY 7.0 datasets 25, 116, 164, 500, 918
Differs from sources
Biological type hemicryptophyte
  • hemicryptophyte · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09
    TRY 7.0 datasets 71, 164, 500, 918
Sourced
Flower color yellow Sourced
Fruit shape capsule 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 empty No source recorded
1 earlier or rejected value
  • Rejected 120 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 25, 116, 164, 500, 918 below the average height (123 cm) of the same record
Not on the record
Sexuality hermaphrodite Sourced
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 biennial, perennial
  • biennial, perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 25, 164, 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
  • 3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
Not on the record
Light 8 / 9 · light
  • 8 / 9 · light · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Nitrogen fixation empty Not on the record
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)
  • 3 / 9 · poor (oligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
Differs from sources
Soil salinity 1 / 9 · barely saline (hyperoligohaline)
  • 1 / 9 · barely saline (hyperoligohaline) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
Sourced
Other
Soil ph indicator — Not on the record
Temperature indicator — Not on the record