Data sources

Each value Trefle shows for Oenothera villosa subsp. villosa, 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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Sourced9 Source not recorded6 Not on the record1 Sources: TRY Plant Trait Database, Earlier Trefle data, GBIF

Field	Shown	What the sources say
Core
Bibliography	Thunb. (1794). In: Prodr. Pl. Cap.: 75.	Thunb. (1794). In: Prodr. Pl. Cap.: 75. · GBIF · Reported · 2026-09-05 1 earlier or rejected value Superseded Thunb. (1794). In: Prodr. Pl. Cap.: 75. · GBIF · Reported · 2026-09-05	Sourced
Phylum	Tracheophyta	Tracheophyta · GBIF · Reported · 2026-09-05	Sourced
Rank	ssp	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1794	No source recorded	Source not recorded
Descriptive
Common name	Hairy evening primrose	No source recorded	Source not recorded
Observations	E. Canada to C. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	180 cm	180 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 500	Sourced
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 4, 500, 918	Sourced
Flower color	yellow	yellow · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Foliage texture	empty	medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Fruit shape	capsule	capsule · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	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
Sexuality	hermaphrodite	hermaphrodite · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	biennial	biennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 918	Sourced

Oenothera villosa subsp. villosa 1794 20% complete

Hairy evening primrose

.fa-secondary{opacity:.4} Data sources

Data sources