Hordeum murinum L.
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Hordeum murinum L., Sp. Pl. 85 (1753)
Hordeum murinum L.
Nomenclature
L.
L.
1753
85
ICN
Hordeum murinum L.
species
Hordeum murinum
Classification
Subordinates
Vernacular names
Synonyms
Descriptions
Loosely tufted, light green annuals, 10-70 cm. Leaf-sheath green to light straw-coloured, with hyaline, clasping, glabrous auricles 1.5-3 mm, upper glabrous, uppermost ± inflated. Ligule 0.3-1 mm, rounded, minutely ciliate. Leaf-blade soft, flat, with scattered, long, fine hairs, ribs glabrous or very finely scabrid; margins very finely scabrid, tip acute. Culm 6-50 cm, erect or geniculate; internodes glabrous. Raceme very dense-flowered, oblong, 4-10 × 1-3.5 cm, including the erect or sometimes spreading awns; rachis fragile. Central ☿ spikelet sessile or pedicelled; lateral spikelets ♂ or Ø, pedicels 1-1.5 mm. Lateral spikelets: glumes unequal, ± dissimilar, outer very narrow, scabrid, ± awn-like throughout, inner slightly wider near base awn-like above; lemma adaxially copiously hairy, awned; palea = lemma, keels scabrid near minutely bifid ciliate apex; rachilla prolongation 2.5-3.5 mm; lodicules ciliate. Central spikelet: glumes equal, similar, 15-30 mm, widened near base, margins ciliate, awn-like and scabrid above; lemma 7-14 mm, lanceolate, long awned; palea = lemma, folded, keels scabrid above; rachilla prolongation 4-5 mm; lodicules 1.0-1.8 mm, ciliate. Gynoecium: ovary 0.6-1 mm; stigma-styles 1-2 mm. Caryopsis 5-9.5 × 1.5-2 mm; embryo 1.5 mm. Fig. 14. Plate 3C.
Taxonomic concepts
Critesion murinum (L.) Á.Löve
Hordeum murinum L.
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Metadata
64dfa78c-29cb-4df8-9b48-a2f860ebd310
scientific name
Names_Plants
1 January 2000
10 November 2021