Mesembryanthemum L.
  • Sp. Pl. 1: 480. 1753. (1 May 1753)
  • Iceplant [Greek mesembria, midday, and anthemum, blooming]

Cite taxon page as 'WFO (2021): Mesembryanthemum L. Published on the Internet; Accessed on: 21 Sep 2021'

General Information

Herbs, annual or perennial, usually short-lived, succulent, usually conspicuously papillate, glabrous. Roots fibrous. Stems prostrate to ascending. Leaves basal and cauline, alternate or opposite, sessile or petiolate; stipules absent; blade reddish with age, flat or terete, margins often undulate. Inflorescences terminal or axillary, flowers solitary or in cymes; bracts absent or 1-2, sessile or pedicellate. Flowers showy, 4-10[-20] mm diam., tubular; calyx lobes (4-) 5, 2 often leaflike; petals (including petaloid staminodia) 20-40[-150], distinct or connate into short tube, free, white, pink, or yellowish, linear; nectary glands 5; stamens 30[-120]; pistil (4-)5-carpellate; ovary half-inferior, (4-)5-loculed, convex; placentation axile; stigmas (4-)5, erect, filiform. Fruits capsules, persistent, valves (4-)5, with expanding interior keels when moistened, forming capsule lids when dried, dehiscence loculicidal. Seeds 100-200, black or dark [light] reddish brown [ochre or whitish], compressed [globose], often with 1 straight edge, 1 mm, smooth to rough with minute tubercles; arils absent.

  • Provided by: [B].Flora of North America @
    • Source: [
    • 1
    • ]. 

    Included Species


    Other Local Names

    Iceplant [Greek mesembria, midday, and anthemum, blooming]

     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Flora of North America Association
    World Flora Online consortium
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).