Ulmus glaucescens var. lasiocarpa

Ulmus glaucescens var. lasiocarpa
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Rosales
Family:	Ulmaceae
Genus:	Ulmus
Species:	U. glaucescens
Variety:	U. g. var. lasiocarpa
Trinomial name
	Ulmus glaucescens var. lasiocarpa; Rehder

Ulmus glaucescens var. lasiocarpa Rehder, named the hairy-fruited glaucescent elm in the United States, is a Chinese tree found along rivers and mountain slopes at elevations of 2500–2600 m in the provinces of Hebei, Henan, Liaoning, Nei Mongol, Ningxia, eastern Qinghai, and Shanxi.

Description

The variety is distinguished by a "samara densely pubescent when young, with scattered hairs when mature. Fl. and fr. March–May.".^[1]

Pests and diseases

No information

Cultivation

There are no known cultivars of this taxon, nor is it known to be in commerce.

Accessions

Australasia

Mount Lofty Botanic Garden, Piccadilly, Australia. One tree, raised from seed sent by the Beijing Botanical Garden, planted out c. 1984, 4.5 m high, d.b.h. 13 cm in 2008.

References

^ 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]

[Fu-1] 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]

[1]