Acorus gramineus Aiton
  • Hort. Kew.


Cite taxon page as 'WFO (2019): Acorus gramineus Aiton. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000352676. Accessed on: 15 Dec 2019'

General Information

Rhizome slender, 5-10 × 0.4-0.6(-0.8) cm, aromatic. Leaves several, dark green, ensiform, (15-)20-45(-55) × (0.3-)0.5-1(-1.4) cm, midrib lacking, apex acuminate. Peduncle compressed triangular, (4-)9-20(-24) cm. Spathe green, leaflike, (8-)10-24(-25) × 0.2-0.4(-0.5) cm. Spadix straight or slightly curved, narrowly cylindric to subcylindric, (3-)4-10(-14) × (0.3-)0.4-0.6(-0.7) cm, densely flowered. Flowers yellowish or yellow-green to somewhat whitish, 1.8-2 mm in diam. seen from above; tepals ± oblong, 1.5-2 × 0.7-1 mm, keeled, membranous, apex rounded or acute; filaments oblong, flat, ca. 1.5 mm, anthers yellow, 0.4-0.5 mm in diam.; pollen grains ca. 15 µm, exine more densely foveolate; gynoecium obconic-cylindric, (2-)2.5-3 × (1.2-)1.8-2 mm, with conic, spongy apex and stigma very small. Infructescence yellowish to yellow-white at maturity, 1-1.5 cm in diam., berries densely arranged. Berry obovoid-globose, few to several seeded, 3-3.5 × 2.2-2.5 mm. Seed ellipsoid, (2-)2.5-3 × (0.8-)1-1.2 mm, with many long (3-4 mm) bristles (longer than seed itself); testa light brown, smooth. Fl. Feb-Jul, fr. Jul-Aug. 2n = 24.

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

     Information From

    Acoraceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    '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.
    • B Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).
    International Union for Conservation of Nature
    https://www.iucn.org/
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • D All Rights Reserved
    International Union for Conservation of Nature v.3
    https://www.iucnredlist.org/
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • E See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use