Spartina alterniflora Loisel.
  • Fl. Gall.

Cite taxon page as 'WFO (2020): Spartina alterniflora Loisel. Published on the Internet; Accessed on: 01 Apr 2020'

General Information

Perennial with soft fleshy rhizomes. Culms stout, forming large clumps, erect, (0.5–)1–2(–3) m tall, ca. 1 cm in diam. Leaf sheaths mostly longer than internodes, smooth; leaf blades linear-lanceolate, flat, 10–90 × 1–2 cm, smooth or margins minutely scabrous, tapering to long hard involute apex; ligule ca. 1 mm. Racemes racemosely arranged, (5–)10–20, 5–20 cm, slender, erect or slightly spreading; spikelets scarcely overlapping; rachis smooth, terminating in a bristle up to 3 cm. Spikelets ca. 10 mm, glabrous or nearly so; lower glume linear, 1/2–2/3 as long as spikelet, acute; upper glume ovate-lanceolate, as long as spikelet, glabrous or with very short hairs on keel, subacute; lemma lanceolate-oblong to narrowly ovate, glabrous; palea slightly longer than lemma. Anthers 5–6 mm. 2n = 62.

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

    "Culms coarse, soft and fleshy, to 3 m, or in the north as low as 3 dm, sulfurously malodorous when bruised, rhizomes elongate, thick and soft, the closely imbricate scales inflated; lvs elongate, 5–15 mm wide, glabrous or nearly so; panicle narrow, 1–3 dm; spikes slender, appressed to the axis, 5–10 cm; spikelets scarcely imbricate, erect or nearly so, those on one side of the spike usually 3–8 mm apart; rachis prolonged beyond the uppermost spikelet and usually conspicuously exceeding it; spikelets glabrous or somewhat hairy; first glume linear, half to nearly as long as the lemma; second glume 10–14 mm, exceeding the lemma, its midvein scarcely or not at all prolonged beyond the thin margins; 2n=42, 56, 70. Coastal salt-marshes, mainly intertidal, smaller at the upper tidal margins; Que. and Nf. to Fla. and Tex.; also on the Atlantic coast of S. Amer. and in n. Europe."

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

    Distribution Map

    • Native distribution
    Found in
    • Southern America Brazil Parí
    • Bahia
    • Maranh
    • Rio Grande do Norte
    • Paraní
    • Rio Grande do Sul
    • Santa Catarina
    • Espirito Santo
    • Rio de Janeiro
    • São Paulo


     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
    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    Brazil Flora G (2014): Brazilian Flora 2020 project - Projeto Flora do Brasil 2020. v393.147. Instituto de Pesquisas Jardim Botanico do Rio de Janeiro. Dataset/Checklist. doi:10.15468/1mtkaw
    • C Group Brazil Flora, REFLORA Program
    • D CC0 1.0 Universal (CC0 1.0).