Bromus cebadilla Steud.
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Details
Nomenclature
Steud.
Steud.
ICN
Bromus cebadilla Steud.
species
Bromus cebadilla
Classification
Vernacular names
Synonyms
Descriptions
Robust, light green, rather coarse-leaved perennial tufts, 60-200 cm, with spreading culms and heavy panicles. Leaf-sheath softly villous with long, silvery hairs. Ligule 1.5-2.5 mm, denticulate, abaxially glabrous. Leaf-blade 16-40 cm × 5-11 mm, with few, scattered, fine hairs; margins minutely scabrid, tip fine, acute. Culm ascending to ± erect, internodes glabrous. Panicle 8-30 cm, with stiffly erect to later spreading, finely scabrid branches. Spikelets 2.5-4 cm, 7-8-flowered, light green. Glumes unequal, acute; lower 7.5-10 mm, 5-7-nerved, very shortly appressed-pubescent, upper 11-12 mm, 7-9-nerved, usually more glabrous but finely scabrid on keel. Lemma 11.5-14.5 mm, 9-13-nerved, keeled, usually appressed scabrid-pubescent in upper ½, more glabrous and sometimes purple-suffused below; awn 3.5-9 mm. Palea very slightly < lemma. Callus with minute hairs. Rachilla scabrid. Anthers c. 0.5 mm in cleistogamous flowers. Caryopsis c. 9.5 × 2 mm.
Light green, rather slender, perennial tufts, 40-90 cm, with drooping panicles bearing noticeably bicoloured cream and green spikelets. Lower leaf-sheaths rounded, upper sheaths obviously keeled above, very densely villous. Ligule 1.5-2 mm, denticulate, abaxially often with long hairs near base and margins, or scabrid. Leaf-blade 12-22 cm × 3-7 mm, with ± scattered, fine, soft, straight hairs; margins very finely scabrid, tip subobtuse. Culm geniculate at base to erect, internodes glabrous, but slightly pubescent just below nodes. Panicle 12-30 cm, nodding, with slender, finely scabrid branches. Spikelets 1.5-3.5 cm, 5-9-flowered, elliptic-lanceolate to ± oblong, pale cream with noticeably green-tipped lemmas. Glumes very unequal, acute or subacute, with very short, appressed, silvery hairs, hyaline margins minutely scabrid; lower 4-4.5 mm, 3-(5)-nerved, elliptic-lanceolate, upper 6-6.5 mm, 7-nerved, more broadly ovate-lanceolate. Lemma 9.5-10 mm, 7-9-nerved, keeled, very shortly appressed-pubescent throughout, later papillose on basal cream to yellowish green portion, brighter green above, upper ⅓ of nerves reddish or bordered with green, margins and awn often reddish-tinged; awn 4.5-5 mm. Palea ≥ lemma. Callus with extremely minute hairs. Rachilla extremely minutely appressed-pubescent. Anthers 0.7 mm in cleistogamous flowers. Caryopsis 5.8-6.4 × 1.1-1.4 mm.
Taxonomic concepts
Bromus carinatus sensu New Zealand Botanists
Bromus carinatus sensu New Zealand Botanists
Bromus catharticus var. elatus (É.Desv.) Planchuelo
Bromus catharticus var. elatus (E.Desv.) Planchuelo
Bromus cebadilla Steud.
Bromus catharticus var. elatus (E.Desv.) Planchuelo
Bromus cebadilla Steud.
Bromus cebadilla Steud.
Bromus cebadilla Steud.
Bromus cebadilla Steud.
Bromus cebadilla Steud.
Bromus stamineus E.Desv.
Bromus stamineus E.Desv.
Bromus stamineus E.Desv.
Bromus cebadilla Steud.
Bromus unioloides var. elata E.Desv.
Bromus cebadilla Steud.
Bromus valdivianus Phil.
Bromus valdivianus Phil.
Bromus cebadilla Steud.
Bromus valdivianus Phil.
Collections
Metadata
49d61a64-a047-4fe2-8736-91f34531f9ac
scientific name
Names_Plants
18 February 2011
16 April 2024