Ulmus bergmanniana var. lasiophylla
From Infogalactic: the planetary knowledge core
| Ulmus bergmanniana var. lasiophylla | |
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| Ulmus bergmanniana var. lasiophylla |
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Ulmus lasiophylla C. K. Schneid. (W. C. Cheng)[1] |
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Ulmus bergmanniana var. lasiophylla C. K. Schneid. 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. [2]
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 [3] 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. No accession details; planted in West Collections Area.
- Morton Arboretum. Acc. no. 45–95. Collected from the wild at an unrecorded site in China.
- U S National Arboretum [2], Washington, D.C., USA. Acc. nos. 76218, 68978.
Europe
- Grange Farm Arboretum [3], Sutton St James, Spalding, Lincs., UK. Acc. no. 1057.
- Royal Botanic Garden Edinburgh, Scotland. Acc. no. 19933397. Wild collected in Kunming, China, by Gothenburg Expedition.
References
- ↑ C. K. Schneid., in Sargent, (1916), Pl. Wilson 3: 241.
- ↑ Fu, L., Xin, Y. & Whittemore, A. (2002). Ulmaceae, in Wu, Z. & Raven, P. (eds) Flora of China, Vol. 5 (Ulmaceae through Basellaceae). Science Press, Beijing, and Missouri Botanical Garden Press, St. Louis, USA. [1]
- ↑ Shirazi, A. M. & Ware, G. H. (2004). Evaluation of New Elms from China for Cold Hardiness in Northern Latitudes. International Symposium on Asian Plant Diversity & Systematics 2004, Sakura, Japan.
