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Ulmus bergmanniana var. lasiophylla

variety of plants

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJan 23, 2024
Entity authorityQ7879425 ↗
Source-derived summary

Ulmus bergmanniana var. lasiophylla C. K. Schneid. (Hairy-leaved Bergmann's elm) is endemic to China, on mountain slopes at elevations of 2100–2900 m in Gansu, Shaanxi, north-west Sichuan, south-east Xizang (formerly Tibet), and north-west Yunnan.

Description

The tree is distinguished by Fu (2002) as having "Leaf blade adaxially with densely curved pubescence. Flowers and fruits February - April".

Cultivation

Var. lasiophylla is cold hardy; in artificial freezing tests at the Morton Arboretum the LT50 (temp. at which 50% of tissues die) was found to be - 27.7 °C. There are no known cultivars of this taxon, nor is it known to be in commerce.

Accessions

North America

Chicago Botanic Garden, US. No accession details; planted in West Collections Area.

Morton Arboretum, US. Acc.

Editorial summary

Begin with the source’s own compact description: “Ulmus bergmanniana var. lasiophylla” is variety of plants. The dossier treats that line as a proposition to test through Ulmus, bergmanniana and lasiophylla, not as a finished interpretation.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—2002—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Ulmus, bergmanniana and lasiophylla is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “variety 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.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jan 23, 2024. The linked authority identifier is Q7879425. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2002.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. 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

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Ulmus bergmanniana var. lasiophylla”, its source revision and the description used here.
  2. Expand the search: follow Ulmus bergmanniana var. lasiophylla primary sources, Ulmus bergmanniana var. lasiophylla archive and Ulmus research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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Source & attribution

This entry incorporates text from “Ulmus bergmanniana var. lasiophylla” 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.