Hesperocnide Torr.
  • Pacif. Railr. Rep. 4(5): 139–140. 1857.
  • [Greek hesperos, west, and knide, nettle]

Cite taxon page as 'WFO (2021): Hesperocnide Torr. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000017628. Accessed on: 24 Oct 2021'

General Information

Herbs , annual, with stinging and nonstinging hairs. Stems usually branched, erect, spreading, or reclining. Leaves opposite; stipules present. Leaf blades ovate to broadly ovate, distal blades sometimes broadly elliptic, margins serrate; cystoliths elongate. Inflorescences axillary, globose, nearly globose, or elongate-racemose or paniculate. Flowers unisexual, staminate and pistillate in loose to dense clusters in same inflorescence; bracts absent. Staminate flowers: tepals 4, distinct, equal; stamens 4; pistillode present. Pistillate flowers: tepals 4, connate, forming persistent saclike structure covered with delicate, hooked hairs and completely enclosing mature, flattened achene; staminodes absent; style absent, stigma tufted, persistent. Achenes subsessile, laterally compressed, ovoid, tightly enclosed in persistent tepals. x = 12.

  • Provided by: [A].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 



    Woodland, D. W., I. J. Bassett, and C. W. Crompton. 1976. The annual species of stinging nettle (Hesperocnide and Urtica) in North America. Canad. J. Bot. 54: 374-383.

  • Provided by: [A].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Other Local Names

    [Greek hesperos, west, and knide, nettle]

     Information From

    Flora of North America @ efloras.org
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Flora of North America Association
    • B CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).