Data sources

Each value Trefle shows for Penstemon haydenii, 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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Sourced1 Source not recorded9 Not on the record3 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	S.Watson ex J.M.Coult.	No source recorded	Source not recorded
Bibliography	Bot. Gaz. 16: 311 (1891)	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	1891	No source recorded	Source not recorded
Descriptive
Common name	Blowout penstemon	No source recorded	Source not recorded
Observations	Wyoming to Nebraska	No source recorded	Source not recorded
Morphology
Average height	empty	21 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 818	Not on the record
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	empty	perennial · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 818	Not on the record
Cultivation
Minimum root depth	empty	76 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 818	Not on the record

Penstemon haydenii S.Watson ex J.M.Coult., 1891 10% complete

Blowout penstemon

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

Data sources