Coix aquatica Roxb.
  • Fl. Ind. ed. 1832 , 3: 571 (1832) 


Cite taxon page as 'WFO (2023): Coix aquatica Roxb. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000860409. Accessed on: 04 Dec 2023'

Local Descriptions

Order descriptions by:

General Information

Perennial, aquatic. Culms creeping and rooting from nodes at base, sometimes floating, up to 30 m long, ca. 1 cm in diam., flowering stems up to 2 m tall, more than 10-noded. Leaf sheaths smooth, glabrous or upper sheaths tuberculate-hispid; leaf blades narrowly to broadly linear, up to 100 × (0.3–)1–2.5 cm, hispid with tubercle-based hairs on both surfaces or almost glabrous, midvein stout, base rounded, margins scabrous, apex slenderly acuminate; ligule ca. 1 mm, margin ciliate. Male raceme 2.5–7 cm, drooping, spikelets mostly in triads, closely imbricate; utricle ovoid, longer than broad, bony, shiny, 10–14 × 5–7 mm, white or pale brown, sometimes with a median transverse line, apex occasionally extended into a green blade. Male spikelets broadly elliptic, 8–12 mm; glumes many-veined, lower glume winged on keels, wing (0.4–)0.7–1.2(–1.5) mm wide, margin ciliolate; anthers 4–5.5 mm. Fl. and fr. Aug–Nov. 2n = 10, 20, 40.

  • Provided by: [A].Flora of China @ efloras.org
    • Source: [
    • 1
    • ]. 
    Flora of China @ efloras.orgGeneral Information

    Perennial, aquatic. Culms creeping and rooting from nodes at base, sometimes floating, up to 30 m long, ca. 1 cm in diam., flowering stems up to 2 m tall, more than 10-noded. Leaf sheaths smooth, glabrous or upper sheaths tuberculate-hispid; leaf blades narrowly to broadly linear, up to 100 × (0.3–)1–2.5 cm, hispid with tubercle-based hairs on both surfaces or almost glabrous, midvein stout, base rounded, margins scabrous, apex slenderly acuminate; ligule ca. 1 mm, margin ciliate. Male raceme 2.5–7 cm, drooping, spikelets mostly in triads, closely imbricate; utricle ovoid, longer than broad, bony, shiny, 10–14 × 5–7 mm, white or pale brown, sometimes with a median transverse line, apex occasionally extended into a green blade. Male spikelets broadly elliptic, 8–12 mm; glumes many-veined, lower glume winged on keels, wing (0.4–)0.7–1.2(–1.5) mm wide, margin ciliolate; anthers 4–5.5 mm. Fl. and fr. Aug–Nov. 2n = 10, 20, 40.

     Information From

    Flora of China @ efloras.org
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Missouri Botanical Garden
    Poaceae
    https://about.worldfloraonline.org/tens/grassbase
    World Flora Online Data. 2022.
    • B CC0 1.0 Universal (CC0 1.0).
    Vahliaceae
    http://www.worldfloraonline.org/organisation/Vahliaceae
    World Flora Online Data. 2021.
    • C CC0 1.0 Universal (CC0 1.0).