Ailanthus Desf.
  • Hist. Acad. Roy. Sci. Mém. Math. Phys. (Paris, 4) 1786: 265–271, t. 8. 1788.

Cite taxon page as 'WFO (2021): Ailanthus Desf. Published on the Internet; Accessed on: 23 Oct 2021'

General Information

Trees or small trees. Branchlets pubescent, with a pith. Leaves alternate, pinnate; leaflets 13-41, opposite or nearly so; blades papery or thinly leathery, base oblique, margin entire or serrate, apex acuminate, base sometimes 1- or 2-dentate on either side, teeth glandular abaxially at apex. Flowers small, polygamo-dioecious, in axillary or terminal thyrses. Sepals 5, imbricate. Petals 5, valvate. Disk 10-lobed. Stamens 10, inserted at base of disk, undeveloped or rudimentary in pistillate flowers. Carpels 2-5, free or slightly connate only at base; ovules 1 or 2 per locule, campylotropous or anatropous; styles 2-5, connate, but only with female trace in male flowers. Samarium oblong-elliptic, with a seed surrounded by wing. Seed flat, rounded, obovate or slightly deltoid, with some endosperm or without; endocarp thin; cotyledons compressed.

  • Provided by: [B].Flora Of CHina @
    • Source: [
    • 1
    • ]. 

    "Incompletely dioecious; fls 5-merous; stamens 10 (fewer or none on fls of female trees); carpels 2–5, united at the axis only, each with a single ovule, maturing into separate samaras with the seed near the center; trees with pinnately compound lvs and malodorous fls in large terminal panicles. 10, Old World."

  • Provided by: [A].New York Botanical Garden
    • Source: [
    • 2
    • ]. 


     Information From

    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • A Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Flora Of CHina @
    'Flora of China @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Missouri Botanical Garden
    • C CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).