ailanthus
Noun A type of fast-growing tree, originally from Asia and Australia, known for its large, compound leaves and its ability to thrive in poor conditions. It is often considered a weed tree in many places where it has been introduced.
The word "ailanthus" is used as a countable noun to refer to the tree itself. It is a specific botanical term but is also used in general descriptions of landscapes or urban environments where these trees grow.
Examples: * An ailanthus sprouted in the crack of the abandoned parking lot. * The large, feathery leaves of the ailanthus provide dappled shade. * She identified the tree as an ailanthus based on its distinctive bark and leaf structure.
- "Ailanthus altissima": This is the full scientific name for the most common and widespread species, often called the "tree of heaven." It is frequently used in botanical or ecological contexts.
- Example: The invasive spread of Ailanthus altissima is disrupting local ecosystems.
- Tree of heaven: A common name for , often used in non-technical language.
- Example: That tree of heaven grows incredibly fast.
- Tree of heaven (common name for the primary species)
- Chinese sumac (a less common regional name)
- Copal tree (a historical name)
While "ailanthus" refers to several species in the genus, in everyday English it almost always refers to Ailanthus altissima. Its meanings encompass: 1. A Botanical Entity: A specific genus of trees within the plant kingdom. 2. A Symbol of Resilience: Due to its ability to grow in polluted, compacted, or otherwise inhospitable urban soils. 3. An Invasive Species: In many regions outside its native range, it carries a negative connotation as a weed tree that crowds out native plants.
- any of several deciduous Asian trees of the genus Ailanthus