dcsimg

Distribution in Egypt

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Mediterranean region.

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Bibliotheca Alexandrina
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BA Cultnat
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Bibliotheca Alexandrina

Global Distribution

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Macaronesia, southern Europe, Mediterranean region, eastwards to central Asia.

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Bibliotheca Alexandrina
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BA Cultnat
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Bibliotheca Alexandrina

Habitat

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Calcareous sand.

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BA Cultnat
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Life Expectancy

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Annual.

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Bibliotheca Alexandrina
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BA Cultnat
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Physical Description

provided by USDA PLANTS text
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 basal, below middle of stem, Leaves conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly open, or loose, Leaf sheath smooth, glabrous, Leaf sheath and blade differentiated, Leaf blades linear, Leaf blades 2-10 mm wide, Leaf blades mostly flat, Leaf blades mostly gla brous, Leaf blades scabrous, roughened, or wrinkled, 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 densely corymbose, paniculate, or capitate, rays reduced or absent, Inflorescence branches 1-sided, Flowers bisexual, Spikelets sessile or subsessile, Spikelets laterally compressed, Spikelet less than 3 mm wide, Spikelets with 2 florets, Spikelets with 3-7 florets, Spikelets paired at rachis nodes, Spikelets 3 per node, Spikelets bisexual, Spikelets disarticulating above the glumes, glumes persistent, Spikelets disarticulating beneath or between the florets, Spikelets not disarticulating, or tardy, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 2 clearly presen t, Glumes equal or subequal, Glumes equal to or longer than adjacent lemma, Glumes 1 nerved, Lemma coriaceous, firmer or thicker in texture than the glumes, Lemma 5-7 nerved, Lemma apex truncate, rounded, or obtuse, Lemma apex dentate, 2-fid, Lemma mucronate, very shortly beaked or awned, less than 1-2 mm, Lemma distinctly awned, more than 2-3 mm, Lemma with 1 awn, Lemma awn less than 1 cm long, Lemma awn 1-2 cm long, Lemma awn from sinus of bifid apex, Lemma awns straight or curved to base, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea shorter than lemma, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis.
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Dr. David Bogler
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Missouri Botanical Garden
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USDA NRCS NPDC
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USDA PLANTS text

Cynosurus echinatus

provided by wikipedia EN

Cynosurus echinatus is a species of grass known by the common names bristly dogstail grass,[1] rough dog's-tail[2] and hedgehog dogtail. It is native to southern Europe, and it is known in the Americas and Australia as an introduced species and sometimes a noxious weed. An herbicide-resistant strain can be found growing as a weed in canola and wheat fields in Chile.[3] This is an annual grass growing 10 to 50 centimeters tall. The inflorescence is a rounded or oval cluster or series of clusters of spikelets. The fertile spikelet has an awn up to a centimeter long. The awns clumped closely together into a tuft gives the inflorescence its bristly, hairy appearance.

References

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Cynosurus echinatus: Brief Summary

provided by wikipedia EN

Cynosurus echinatus is a species of grass known by the common names bristly dogstail grass, rough dog's-tail and hedgehog dogtail. It is native to southern Europe, and it is known in the Americas and Australia as an introduced species and sometimes a noxious weed. An herbicide-resistant strain can be found growing as a weed in canola and wheat fields in Chile. This is an annual grass growing 10 to 50 centimeters tall. The inflorescence is a rounded or oval cluster or series of clusters of spikelets. The fertile spikelet has an awn up to a centimeter long. The awns clumped closely together into a tuft gives the inflorescence its bristly, hairy appearance.

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