Ulmus macrocarpa var. macrocarpa

Taxobox
name = "Ulmus macrocarpa" var. "macrocarpa"
regnum = Plantae
divisio = Magnoliophyta
classis = Magnoliopsida
ordo = Rosales
familia = Ulmaceae
genus = "Ulmus"
species = "Ulmus macrocarpa"
trinomial = "Ulmus macrocarpa" var. "macrocarpa"
trinomial_authority = L.K.Fu
synonyms =
*"Ulmus macrocarpa" var. "mandshurica" Skvortsov
*"Ulmus macrocarpa" var. "mongolica" Liou & Li
*"Ulmus macrocarpa" var. "nana" Liou & Li
*"Ulmus macrophylla" Nakai

"Ulmus macrocarpa" var. "macrocarpa" L. K. Fu is found on hillslopes and in valleys at elevations of between 700 m and 800 m in the Chinese provinces of Anhui, Gansu, Hebei, Heilongjang, Henan, Hubei, Jiangsu, Jilin, Liaoning, Nei Mongol, eastern Qinghai, Shaanxi, Shanxi, Shandong. Beyond China it is also found in Korea, Mongolia, and Russia (Siberia) 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. [http://flora.huh.harvard.edu/china/PDF/PDF05/Ulmus.pdf] ] .

Fu 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. [http://flora.huh.harvard.edu/china/PDF/PDF05/Ulmus.pdf] ] sank "Ulmus taihangshanensis" S.Y.Wang as a synonym for this variety, but the former has more recently been sunk as a synonym of "Ulmus lamellosa" [http://scholar.ilib.cn/Abstract.aspx?A=zwflxb200101008] .

Description

The tree is distinguished by a "leaf blade abaxially sparsely pubescent, adaxially hirsute or with convex trichome scars, base attenauted to rounded, apex shortly caudate. Samara pubescent, apically concave or rounded, wings thick, stigmas pubescent. Fl. Mar., fr., Apr."

Pests and diseases

No information available.

Cultivation

The tree is not known to be in cultivation beyond Asia.

References