Comparison Chart for Species of Dichanthelium and Panicum

  • Character

    Dichanthelium
    acuminatum

    Panicum
    capillare

    Panicum
    dichotomiflorum

    Panicum
    urvilleanum

    spikelet length


    1.1–2.1 mm


    1.8–4 mm


    (1.8)2.2–3.8 mm


    5–7.5 mm

    spikelet pubescence

    variously pubescent

    glabrous,
    except at tip

    glabrous

    densely villose

    lower glume length / spikelet length

    0.25–0.5

    0.33–0.5

    0.2–0.33

    >0.66

    fertile floret color

    straw-colored

    straw-colored to
    dark brown

    straw-colored to
    dark brown

    straw-colored to
    dark brown

    crescent-shaped scar at base of fertile floret

    no

    no (ssp. capillare) or
    yes (ssp. hillmanii)

    no

    no

    caryopsis length

    ca. 0.9–1 mm

    ca. 1.5 mm

    ca. 1.5 mm

    3–3.5 mm