Critesion secalinum (Schreb.) Á.Löve
Details
Critesion secalinum (Schreb.) Á.Löve, Taxon 29: 350 (1980)
Nomenclature
Á.Löve
Schreb.
(Schreb.) Á.Löve
1980
350
ICN
species
Critesion secalinum
Classification
Descriptions
Critesion secalinum (Schreb.) Á.Löve
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
Critesion secalinum (Schreb.) Á.Löve
Critesion secalinum (Schreb.) Á.Löve
Critesion secalinum (Schreb.) Á.Löve
Collections
Metadata
07ebf475-cda8-489c-b948-3eec9b67e7b7
scientific name
Names_Plants
1 January 2000
18 June 2021