Trichocereus
genus of plants
Trichocereus is a formerly recognized genus of cacti native to South America (Bolivia, northern Chile, Ecuador and Peru). As of November 2025, it was considered by Plants of the World Online to be a synonym of the genus Echinopsis.
Species
Species previously placed in the genus Trichocereus include:
Trichocereus macrogonus (Salm-Dyck) Riccob. → Echinopsis macrogona
Trichocereus spinibarbis (Otto ex Pfeiff.) F.Ritter → Echinopsis spinibarbis
Trichocereus uyupampensis Backeb.
Begin with the source’s own compact description: “Trichocereus” is genus of plants. The dossier treats that line as a proposition to test through Trichocereus, genus and plants, not as a finished interpretation.
Why this record matters
The phrase “genus of plants” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Nov 19, 2025. The linked authority identifier is Q3998688. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2025.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.
- Current terminology
- Classification context
- Finding cited technical literature
Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
- Establish the record: confirm the title “Trichocereus”, its source revision and the description used here.
- Expand the search: follow Trichocereus primary sources, Trichocereus archive and Trichocereus research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Trichocereus”?
- Which observation, specimen, dataset or publication supports the account?
- Is the terminology current, historical or disputed?
Search terms from this dossier
This entry incorporates text from “Trichocereus” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.