Sparganium androcladum (Engelm.) Morong
  • Bull. Torrey Bot. Club
  • Rubanier rameux

Cite taxon page as 'WFO (2021): Sparganium androcladum (Engelm.) Morong. Published on the Internet; Accessed on: 08 Dec 2021'

General Information

Plants robust, to 1.2 m; leaves and inflorescences erect, emergent. Leaves stiff, keeled from base at least to middle, flattened distally, to 1.2 m  5--15 mm. Inflorescences: rachis (0--)1--3 branched, erect, bracts strongly ascending, not basally inflated; pistillate heads (1--)2--4 on main rachis, 0(--2) on lateral branches, axillary, not contiguous, sessile or short-peduncled, 2.5--3.5 cm diam. in fruit; staminate heads 3--8 on main rachis, 1--6 on lateral rachises, most not contiguous. Flowers: tepals often with prominent subapical dark spot, subentire to entire; stigma 1, linear. Fruits brown, proximally dull, distally shiny, subsessile to short-stipitate, fusiform, usually constricted near equator, body not strongly faceted, 5--7  2.5--3 mm, tapering to beak; beak often curved and hooked, 4--7 mm; tepals attached at base, reaching to equator or somewhat beyond. Seeds 1.

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

    "Stout, erect, 4–10 dm; lvs to 8 dm, 5–12 mm wide, some or all carinate or triangular in cross-section; bracteal lvs ascending; infl simple or sometimes branched; pistillate heads on the central axis 2–4, on the branches none or seldom 1 or 2, all sessile, 3 cm thick when ripe; tep spatulate, two-thirds as long as the achene; stipe 2–4 mm; achene-body shining, pale brown, ellipsoid-fusiform, 5.5–7 mm, slightly constricted, the beak straight, 4–6 mm; stigma 1.5–3 mm; staminate heads 3 or more on the branches, 5–8 on the central axis; anthers linear, 1–1.5 mm. Muddy shores and shallow water; Que. to Va.; O. to Minn. and Mo. (S. lucidum)"

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

    Other Local Names

    Rubanier rameux


     Information From

    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.
    • A Flora of North America Association
    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.
    • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    International Union for Conservation of Nature v.3
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • C See IUCN Terms and conditions of use
    International Union for Conservation of Nature
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • D All Rights Reserved
    • E CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).