Data sources

Each value Trefle shows for Opuntia engelmannii, 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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Sourced3 Source not recorded10 Not on the record1 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Salm-Dyck ex Engelm.	No source recorded	Source not recorded
Bibliography	A. Gray, Boston J. Nat. Hist. 6:208. 1850	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	1850	No source recorded	Source not recorded
Descriptive
Common name	Cowtongue cactus	No source recorded	Source not recorded
Observations	SW. & SC. U.S.A. to Mexico	No source recorded	Source not recorded
Morphology
Growth habit	Shrub	No source recorded	Source not recorded
Maximum height	260 cm	260 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 818, 882	Sourced
Cultivation
Minimum root depth	18 cm	18 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 818	Sourced
Usda legacy
C n ratio	empty	25.6 · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 981	Not on the record

Opuntia engelmannii Salm-Dyck ex Engelm., 1850 16% complete

Cowtongue cactus

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

Data sources