Digitaria ischaemum (Schreb.) Muhl.
  • Descr. Gram.


Cite taxon page as 'WFO (2020): Digitaria ischaemum (Schreb.) Muhl. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000864055. Accessed on: 01 Jun 2020'

General Information

Annual, whole plant often purple-tinged. Culms loosely tufted, erect or ascending, 15–40 cm tall. Leaf sheaths loose, usually keeled, glabrous or pilose; leaf blades linear-lanceolate, 5–12 × 0.4–0.8 cm, ± pilose, base subrounded, apex acuminate; ligule ca. 0.6 mm. Inflorescence digitate or on a short axis; racemes 2–4, divaricate, 2–9 cm; spikelets ternate; rachis ribbonlike, winged, 0.8–1.1 mm broad, midrib white, rounded or triquetrous, narrower than the green or purple wings, margins serrulate; pedicels angular, scabrous, tips discoid. Spikelets elliptic, 2–2.2 mm, pilose with verrucose hairs, some with curled tips; lower glume absent or a tiny hyaline rim; upper glume as long as spikelet or slightly shorter, 3–5-veined, intervein spaces and margins appressed-pilose; lower lemma as long as spikelet, 5–7-veined, interveins and margins appressed-pilose; upper lemma purplish brown to blackish at maturity. Fl. and fr. Jun–Nov. 2n = 36.

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

    "Plants forming loose tufts, ascending or suberect, only seldom rooting at the lower nodes; herbage glabrous (or the upper margins of the sheaths ciliate); racemes 2–5(–8), 4–10(–15) cm; spikelets elliptic or somewhat obovate, 1.7–2.3 mm; becoming dark brown or purple-black; first glume lacking or minute and hyaline; second glume and sterile lemma equal and as long as the spikelet, both ± pubescent or subtomentose with capitellate hairs, especially in strips between the veins; 2n=36, 45; otherwise much like no. 4 [Digitaria sanguinalis (L.) Scop.]. Native of Eurasia, now established as a weed over much of the U.S., and throughout our range, but less abundant than no. 4. (D. humifusa)"

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

    Distribution Map

     
    • Introduced distribution
    Introduced into
    • Southern America Brazil Paraní
    • Santa Catarina
    • Minas Gerais

    Synonyms

      Bibliography

     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 @ 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
    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    http://floradobrasil.jbrj.gov.br
    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
    Poaceae
    • D CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).