Overview

Distribution

National Distribution

United States

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Distribution in Egypt

Nile region?

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© Bibliotheca Alexandrina

Source: Bibliotheca Alexandrina - EOL Ar

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Global Distribution

Morocco, Algeria, Libya, Italy, Sicily, Greece, Crete, Turkey, Cyprus, Syria, Lebanon, Palestine.

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Distribution: Pakistan (Baluchistan); Turkey eastwards to Central Asia (Turkmenia to Pamir-Alai) and Tibet; Northwest India.
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Physical Description

Morphology

Physical Description

Annuals, Terrestrial, not aquatic, Stems nodes swollen or brittle, Stems erect or ascending, Stems geniculate, decumbent, or lax, sometimes rooting at nodes, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygonal, Stem internodes hollow, Stems with inflorescence less than 1 m tall, Stems, culms, or scapes exceeding basal leaves, Leaves mostly cauline, Leaves conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly closed, Leaf sheath hairy, hispid or prickly, Leaf sheath and blade diff erentiated, Leaf blades linear, Leaf blades 2-10 mm wide, Leaf blades mostly flat, Leaf blades more or less hairy, Ligule present, Ligule an unfringed eciliate membrane, Inflorescence terminal, Inflorescence an open panicle, openly paniculate, branches spreading, Inflorescence a contracted panicle, narrowly paniculate, branches appressed or ascending, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence with 2-10 branches, Inflorescence branches more than 10 to numerous, Flowers bisexual, Spikelets sessile or subsessile, Spikelets laterally compressed, Spikelet 3-10 mm wide, Spikelets with 3-7 florets, Spikelets with 8-40 florets, Spikelets paired at rachis nodes, Spikelets 3 per node, Spikelets all alike and fertille, Spikelets bisexual, Spikelets disarticulating above the glumes, glumes persistent, Spikelets disarticulating beneath or between the florets, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glu mes 2 clearly present, Glumes distinctly unequal, Glumes shorter than adjacent lemma, Glumes equal to or longer than adjacent lemma, Glumes 3 nerved, Glumes 4-7 nerved, Lemmas thin, chartaceous, hyaline, cartilaginous, or membranous, Lemma 5-7 nerved, Lemma 8-15 nerved, Lemma glabrous, Lemma apex dentate, 2-fid, Lemma distinctly awned, more than 2-3 mm, Lemma with 1 awn, Lemma awn 1-2 cm long, Lemma awn subapical or dorsal, Lemma awns straight or curved to base, Lemma awn twisted, spirally coiled at base, like a corkscrew, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea shorter than lemma, Palea 2 nerved or 2 keeled, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear, Caryopsis hairy at apex.
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Dr. David Bogler

Source: USDA NRCS PLANTS Database

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Description

Tufted annual; culms erect or geniculately ascending, up to 30 cm high. Leaf-blades up to 20 cm long, 2-4 mm wide; sheaths hirsute. Panicle up to 10 cm long, loose or dense. erect or nodding, the branches filiform, flexuous, bearing parallel clusters of spikelets, these usually all turned to one side. Spikelets narrowly wedge-shaped, fragile, 5-10-flowered, the upper 1-3 florets sometimes reduced, 35-70(-70) mm long including the awns, the lemmas overlapping at first but gaping and exposing the internodes at maturity; glumes with silvery-hyaline margins, the lower narrowly elliptic, 8-14 mm long, (l-)3-nerved, the upper narrowly lanceolate, 12-18 mm long, 5-nerved; lemmas linear-lanceolate in side view, the lowest 18-25 mm long, involute, herbaceous with silvery-hyaline margins, (5-)7-9-nerved, glabrous or pubescent, 2-toothed at the tip with a straight awn 15-45 mm long from between the teeth; palea shorter than the lemma, ciliate on the keels; anthers 0.6-1 mm long.
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Ecology

Habitat

Unconfirmed in Egypt.

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Source: Bibliotheca Alexandrina - EOL Ar

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Life History and Behavior

Life Expectancy

Annual.

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNA - Not Applicable

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NatureServe Conservation Status

Rounded Global Status Rank: GNR - Not Yet Ranked

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Wikipedia

Bromus alopecuros

Bromus alopecuros is a species of brome grass known by the common name weedy brome.

It is native to the Mediterranean Basin, and it is known in other places, including Australia, South Africa, and California, as an introduced species and sometimes a weed. It is an annual grass producing stems up to 45 centimeters tall. The inflorescence is a dense packet of spikelets with tangling, curved awns.

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Notes

Comments

Bromus sericeus has a similar distribution to Bromus tectorum but is apparently much less common. As it occurs in Baluchistan, Central Afghanistan and Tibet it may well be found in N.W.F.P. and Kashmir also.
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