Comparison Chart for Species of Hordeum

  • Character

    Hordeum marinum

    Hordeum murinum
    ssp. glaucum

    Hordeum murinum
    ssp. leporinum

    Hordeum murinum
    ssp. murinum

    fertile floret pedicel

    absent (sessile)

    1–2 mm long

    1–2 mm long

    absent (sessile)
    or to 0.5 mm long

    glumes

    subulate

    8–26 mm long

    margins not ciliate

    subulate to flattened

    25–30 mm long

    margins ciliate

    subulate to flattened

    25–30 mm long

    margins ciliate

    subulate to flattened

    25–30 mm long

    margins ciliate

    fertile lemma body length

    longer than
    sterile lemma body

    shorter than
    sterile lemma body

    shorter than
    sterile lemma body

    shorter than
    or same length as
    sterile lemma body

    fertile lemma awn length

    typically longer than
    sterile lemma awn

    shorter or longer than
    sterile lemma awn

    shorter than
    sterile lemma awn

    longer than
    sterile lemma awn

    sterile lemma body and awn lengths

    body = 3–6 mm
    awn = 3–8 mm

    body = 8–15 mm

    awn = 20–50 mm

    body = 8–15 mm

    awn = 20–50 mm

    body = 8–15 mm

    awn = 20–50 mm

    sterile palea pubescence

    not applicable

    pilose

    scabrous

    ± glabrous