Tall Tree of Heaven
Ailanthus excelsa
A fast-growing, large deciduous tree native to India and Sri Lanka, highly valued for its …
Scientific records associate Ailanthus mairei with the mountainous flora of Yunnan Province in southwestern China, where it was first documented by French missionary and plant collector Édouard-Ernest Maire.
According to major taxonomic databases such as the World Flora Online (WFO) and Plants of the World Online (POWO), this taxon is categorized as a synonym or closely related variant of the widely known tree of heaven, Ailanthus altissima.
Morphological characteristics of this tree align with the typical features of Ailanthus altissima, exhibiting a robust deciduous growth habit with smooth, gray-striped bark. The pinnately compound leaves can reach significant lengths, carrying numerous lanceolate leaflets that feature distinctive glandular teeth near the base.
The reproductive structures consist of small, greenish-yellow flowers arranged in large panicles, which later develop into dry, winged samaras that facilitate wind dispersal.
The specific epithet honors Édouard-Ernest Maire, a prolific French Catholic missionary who collected thousands of plant specimens in Yunnan during the early 20th century. His collections provided European herbaria with vital material for describing the unique flora of southwestern China.
Ailanthus excelsa
A fast-growing, large deciduous tree native to India and Sri Lanka, highly valued for its …
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Ailanthus vilmoriniana
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