英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:



安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Elm - Wikipedia
    Elms are deciduous and semi-deciduous trees comprising the genus Ulmus in the family Ulmaceae They are distributed over most of the Northern Hemisphere, inhabiting the temperate and tropical - montane regions of North America and Eurasia, ranging southward in Western Asia to Iran, in Africa to Libya, and in Southeast Asia into Indonesia
  • Elm | Description, Uses, Diseases, Major Species | Britannica
    elm, (genus Ulmus), genus of about 35 species of forest and ornamental shade trees of the family Ulmaceae, native primarily to north temperate areas Many are cultivated for their height and attractive foliage
  • Ulmus (Elm) | North Carolina Extension Gardener Plant Toolbox
    Inconspicuous small green flowers in spring The leaves are alternate, with simple, single or most commonly, doubly serrate margins, usually asymmetric at the base and acuminate at the apex Non-showy fall color Stems brown and sometimes with corky wings Twigs are glabrous to pubescent
  • Ulmus americana, American elm | US Forest Service Research . . .
    The currently accepted scientific name for American elm is Ulmus americana L [36] Recognized varieties include U americana var americana and U americana var floridana, which is restricted to the coastal plains from eastern North Carolina to central Florida [15,27]
  • Types of Ulmus Species and Their Uses - realitypathing. com
    This article explores the various types of Ulmus species and delves into their multiple applications ranging from landscape architecture to traditional medicine
  • Ulmus americana - Plant Finder - Missouri Botanical Garden
    Ulmus americana, commonly called American elm, is a medium to large deciduous tree, typically growing to 60-80’ (less frequently to 130’) tall with a vase-shaped, broad-rounded crown
  • AMERICAN ELM - ULMUS AMERICANA | The UFOR Nursery Lab
    American elms can still be found in urban landscapes, but unfortunately, they are no longer recommended for planting These elms are large and very broad shade trees The leaves are a deep green color that turns yellow in the fall and have double serrated margins, are oval in shape, and can be rough-textured
  • Ulmus - Trees and Shrubs Online
    Ulmus comprises 20–45 species, distributed across the temperate northern hemisphere and into subtropical Asia and Central America Elms are deciduous or evergreen trees, or rarely shrubs
  • What Is an Elm Tree? Identification, Varieties Diseases
    Elm trees, belonging to the genus Ulmus, are deciduous trees known for their stately presence in Northern Hemisphere landscapes Historically, they have been valued for their broad, often vase-shaped canopies and ample shade
  • American elm | Ulmus americana | The Morton Arboretum
    Sadly, for many years, the American elm (Ulmus americana) could not be recommended because it is vulnerable to a devastating pathogen called Dutch elm disease





中文字典-英文字典  2005-2009