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
  • 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
  • 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 americana, American elm | US Forest Service Research and Development
    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]
  • 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
  • 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
  • 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 - 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 The branches may be more or less smooth, or have two flat opposite corky wings or longitudinal corky layers
  • American Elm (Ulmus americana): History, Bark, leaves, Size, Lifespan . . .
    The American Elm (Ulmus americana), also known as the white elm, water elm, soft elm, or Florida elm, is a type of elm tree native to eastern North America It is characterize by a vase-shaped habit, forming a broad, flat-topped or vase-like crown The trees can live for several hundred years
  • Ulmus - Elms - Gardenia
    Ulmus (Elm) Valued for their fast growth, Ulmus are deciduous trees, with handsome oval leaves often coloring well in the fall Some have superb exfoliating bark, which flakes to reveal patches of shades of gray, green, brown, and orange





中文字典-英文字典  2005-2009