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Ulmus chenmoui; photograph Ptelea, Public domain, via Wikimedia Commons Public domainPtelea, Public domain, via Wikimedia Commons

Ulmus chenmoui W.C.Cheng

Harbin Elm

Ulmaceae · China Southeast

No habitat climate
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Ulmus chenmoui, photograph Bruce Marlin, CC BY-SA 2.5, via Wikimedia CommonsUlmus chenmoui, photograph Gmihail at Serbian Wikipedia, CC BY-SA 3.0 rs, via Wikimedia CommonsUlmus chenmoui, photograph Ptelea, CC BY-SA 4.0, via Wikimedia CommonsUlmus chenmoui, photograph Gmihail at Serbian Wikipedia, CC BY-SA 3.0 rs, via Wikimedia CommonsUlmus chenmoui, photograph 三猎, CC BY-SA 4.0, via Wikimedia Commons 6 photographs ›

Summary

Ulmus chenmoui W. C. Cheng, commonly known as the Chenmou, or Langya Mountain elm, is a small deciduous tree from the more temperate provinces of Anhui and Jiangsu in eastern China, where it is found at elevations below 200 m on the Langya Shan and Baohua Shan mountains. The tree was unknown in the West until 1979, when seeds were sent from Beijing to the De Dorschkamp research institute at Wageningen in the Netherlands.

Quoted from Wikipedia, "Ulmus chenmoui", CC BY-SA 4.0.

Cultivation

Nothing derived: no habitat climate for this species.

Climate across the habitat

No habitat climate can be derived: 9 in-range records, none placed to within 10 km. 9 of the 9 in-range records are placed to worse than 10 km, or to no stated accuracy and fewer than three decimals or by something other than a person's observation, and cannot place a climate cell, though they count for the map and its marker.

Natural habitat

Native range as published by WCVP; the marker is where the records are densest and decides nothing.
Openly licensed records inside the range, framed on where they fall.
NativeChina Southeast · regions are the level-3 units of the World Geographical Scheme for Recording Plant Distributions, as Kew's World Checklist records ranges, some under historical names such as Yugoslavia or Czechoslovakia (how).
Map marker32.056, 118.798 · in the densest population, 9 records (100% of those in range)
Kew's description“tree” · “temperate” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 9 georeferenced records inside the native range; the map shows only the 4 openly licensed ones, which alone would put the marker 24 km away. 1 record outside the WCVP native range not used. Under a dozen records behind the map. No climate across the range is derived for this species. 9 in-range records are placed to worse than 10 km, or with no stated accuracy (admitted only as a person's observation to three decimals), and stay on the map but off the climate.
How this section is made
The map marker: the openly licensed record nearest the middle of the densest 1° population of the 9 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Ulmus chenmoui, photograph 1did not loadUlmus chenmoui, photograph 2did not loadUlmus chenmoui, photograph 3did not loadUlmus chenmoui, photograph 4did not loadUlmus chenmoui, photograph 5did not load

Photographs: Bruce Marlin, CC BY-SA 2.5, via Wikimedia Commons; Gmihail at Serbian Wikipedia, CC BY-SA 3.0 rs, via Wikimedia Commons (2); Ptelea, CC BY-SA 4.0, via Wikimedia Commons; 三猎, CC BY-SA 4.0, via Wikimedia Commons.

Other Ulmus 27 in the reference

Ulmus alata Ulmus alata Winged elm Photo: CC BY, C FishtahlerUlmus americana Ulmus americana American elm Photo: CC BY, The Wrong IndustryUlmus × androssowii Ulmus × androssowii Narwan Photo: CC0, PedroUlmus bergmanniana Ulmus bergmanniana Ulmaceae Photo: CC BY-SA, PteleaUlmus castaneifolia Ulmus castaneifolia Ulmaceae Photo: CC BY-SA, Krzysztof Ziarnek, KenraizUlmus crassifolia Ulmus crassifolia Cedar elm Photo: CC BY, Linda Jo ConnUlmus davidiana Ulmus davidiana Japanese elm Photo: CC BY, Станислав ЧувановUlmus elliptica Ulmus elliptica Ulmaceae Photo: CC BY-SA, Larker1Ulmus elongata Ulmus elongata Ulmaceae Photo: CC BY-SA, GaojianguoUlmus glabra Ulmus glabra Wych elm Photo: CC BY, Cyndy Sims (Parr)Ulmus × hollandica Ulmus × hollandica Dutch elm Photo: CC BY-SA, anna_485Ulmus × intermedia Ulmus × intermedia Ulmaceae Photo: CC BY, Brandon Corder all 28 ›

Names & registers

GBIFPOWOIPNIWFOWikidataWikipediaiNaturalist

The record

Family
Ulmaceae
Described by
W.C.Cheng
Native to
China Southeast
Wild records
9 in range · 4 open

Every figure here is derived from public data by a stated rule and names its source; nothing about this species is written for its page by a person or by AI, apart from the marked, credited quotations. How →

Where this page came from built 2026-10-22
GBIF species record gbif.species answeredasked 2026-10-22
GBIF synonyms gbif.synonyms answeredasked 2026-10-22
GBIF common names gbif.vernacular answeredasked 2026-10-22names fetched 2026-10-22
WCVP native range wcvp.distribution answeredas of 2026-06-04
GBIF occurrence records gbif.occurrences answeredas of 2026-10-21GBIF occurrence download https://doi.org/10.15468/dl.hbdw64, of 2026-10-21; 7 records within 1 km of a botanic garden, herbarium or zoo left out (7 at a botanic garden or arboretum; Wikidata's list)
Habitat climate climate nothing to reportasked 2026-10-229 in-range records, none placed to within 10 km
Wikidata wikidata answeredasked 2026-10-22
Wikipedia wikipedia answeredasked 2026-10-22
iNaturalist photographs, wild inat.photos.wild nothing to reportasked 2026-10-22from iNaturalist's open data of 2026-09-27: research-grade observations with an open-licence photograph, the 24 whose photographs iNaturalist received last (the open data holds no votes); filled 2026-10-22
iNaturalist photographs, cultivated inat.photos.cultivated not asked
GBIF media gbif.media nothing to reportasked 2026-10-22
Wikimedia Commons commons answeredasked 2026-10-22
OpenAlex papers openalex not askednot yet asked for this reference; a later fill takes the papers from OpenAlex's snapshot

Every source is recorded as having answered, reported nothing, refused, failed, not been asked, or answered twice where one answer is taken (“not taken: two items answered”), and, for a source asked when this page was built, when: the figures are as the source held them that day; a source read from a file (Kew's World Checklist, a GBIF download) says "as of" the file's day instead; a row carried from an earlier build of the page names that build instead. Only “nothing to report” is ever shown as an absence. Records came from 6 datasets via GBIF.org; each carries its own licence.

Cultifolio

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