Data sources

Each value Trefle shows for Cypripedium acaule, 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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Sourced4 Source not recorded9 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Aiton	No source recorded	Source not recorded
Bibliography	Hort. Kew. 3: 303 (1789)	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	1789	No source recorded	Source not recorded
Descriptive
Common name	Pink lady's-slipper	No source recorded	Source not recorded
Observations	C. & E. Canada to NC. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	16 cm	16 cm · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09 TRY 7.0 datasets 28, 592, 925	Sourced
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 206 observations · 2026-10-09 TRY 7.0 datasets 925	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
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 208 observations · 2026-10-09 TRY 7.0 datasets 28, 460, 925	Sourced

Cypripedium acaule Aiton, 1789 16% complete

Pink lady's-slipper

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

Data sources