Hordeum secalinum Schreb.
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Hordeum secalinum Schreb.
Hordeum secalinum Schreb.
Nomenclature
Schreb.
Schreb.
ICN
Hordeum secalinum Schreb.
species
Hordeum secalinum
Classification
Vernacular names
Descriptions
Loosely tufted light green or greyish green perennials, to 50 cm. Leaf-sheath pale greyish brown or straw-coloured, lower with soft, shaggy long hairs and narrow auricles c. 0.5 mm, upper glabrous, not inflated, often without auricles. Ligule 0.4-0.6 mm, truncate, denticulate to ciliate, abaxially with sparse prickle-teeth. Leaf-blade 4-10 cm × 1-3.5 mm, abaxially very minutely scabrid, adaxially scabrid on ribs, with scattered hairs, tip acute. Culm 25-45 cm, erect or geniculate, slender, internodes glabrous. Raceme ± erect, dense-flowered, narrow, 2-4 ×c. 0.8 cm, including the scarcely spreading awns, pale greyish green; rachis fragile, margins ciliate. Central ☿ spikelet sessile; lateral spikelets Ø and much reduced, pedicels slender, c. 1 mm. Glumes of all spikelets about equal, fine, awn-like, scabrid, 10-13.5 mm. Lemmas of lateral spikelets 2.5-5.25 mm, shortly stiff hairy below the fine scabrid awn 1.5-3 mm; palea vestigial c. 0.8 mm, or = lemma. Lemma of central spikelet 7-8 mm, oblong-lanceolate, abaxially glabrous, adaxially villous, tapered above to fine scabrid awn 7.5-11 mm, overtopping glumes. Palea ≈ lemma, folded, minutely bifid, keels glabrous, but interkeel short stiff hairy near ciliate apex; rachilla prolongation 3-3.5 mm. Lodicules 1.5 mm, hairy, narrow. Anthers c. 3 mm. Gynoecium: ovary 1.0 mm; stigma-styles 1.5 mm. Caryopsis 4-6 × 1-1.3 mm; embryo 1.0 mm.
Taxonomic concepts
Critesion secalinum (Schreb.) Á.Löve
Critesion secalinum (Schreb.) Á.Löve
Hordeum secalinum Schreb.
Hordeum secalinum Schreb.
Hordeum secalinum Schreb.
Collections
Metadata
fb27a538-a5dc-4dc5-8d4b-260702b2c20f
scientific name
Names_Plants
1 January 2000
18 June 2021