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Briza minor L.

Brief Summary

    Briza minor: Brief Summary
    provided by wikipedia

    Briza minor is a species of grass known by the common names lesser quaking-grass or little quakinggrass. It is native to the Mediterranean Basin, and it is known elsewhere, including much of North America, as an introduced species. It is an annual grass producing narrow clumps of erect stems up to 50 centimeters tall. The inflorescence bears several small cone-shaped spikelets, each hanging on a pedicel.

Comprehensive Description

    Briza minor
    provided by wikipedia

     src= Wikimedia Commons has media related to Briza minor.

    Briza minor is a species of grass known by the common names lesser quaking-grass[1] or little quakinggrass. It is native to the Mediterranean Basin, and it is known elsewhere, including much of North America, as an introduced species. It is an annual grass producing narrow clumps of erect stems up to 50 centimeters tall. The inflorescence bears several small cone-shaped spikelets, each hanging on a pedicel.

    References

    1. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""'"'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}

Distribution

    Distribution
    provided by eFloras
    Native to Mediterranean region; widespread in the world.
    Distribution
    provided by eFloras
    Distribution: Pakistan (Punjab, introduced); Mediterranean region, naturalised in many warm temperate countries.
    Distribution in Egypt
    provided by Bibliotheca Alexandrina LifeDesk

    Nile and Mediterranean regions.

    Global Distribution
    provided by Bibliotheca Alexandrina LifeDesk

    Western Europe, Mediterranean region, widely naturalized in many temperate regions.

Morphology

    Comments
    provided by eFloras
    Only collected once around the Yangmingshan National Park.
    Comments
    provided by eFloras
    This is a ornamental grass with a delicate panicle of many small, rounded spikelets.
    Comments
    provided by eFloras
    Lesser Quaking-grass, an introduced weed, occurs occasionally in wheat fields, but usually as an escape from cultivation where it is grown for its decorative panicles.
    Description
    provided by eFloras
    Culm up to 40 cm tall, slender, 1.5 mmin diameter. Blade linear, acuminate at both ends, 14 cm long, 5 mm wide; ligule membranous, tongue-shaped, 3 mm long. Panicle open. Spikelets 5-flowered, 3-3.5 mm long, flattened, pendulous, orbicular to oblate; pedicel capillary, long; glumes chartaceous, folded, cordate, 3-nerved, apex rounded; the lower 2.5 mm long; the upper 2 mm long; lemma folded, middle part coriaceous, gibbous on back, -2.5 mm long, 7-9-nerved; palea 2/3 as long as lemmas, flat, narrowly winged on the keels.
    Description
    provided by eFloras
    Annual. Culms usually solitary, erect, slender, 20–60 cm tall. Leaf sheaths thin, soft, smooth, loosely overlapping; leaf blades thin, 4–12 cm × 4–10 mm, adaxial surface and margins scabridulous, apex acute; ligule 3–6 mm, subacute. Panicle open, erect, broadly ovate in outline, 5–10 cm, with many pendant spikelets; branches mostly paired, very slender, obliquely spreading, scabrid; pedicels hairlike, mostly longer than spikelets, flexuous. Spikelets broadly ovate, 3–5 × ca. 4 mm, pale green, florets 3–8; glumes broad, 2–2.5 mm, 3–5-veined, apex rounded; lemmas very broadly ovate, wider than long, lowest 1.5–2 mm, 7–9-veined, back smooth and glossy or pubescent, membranous margins very broad; palea ovate, slightly shorter than lemma, back appressed pubescentor marginal hairs spreading and fringing keels, keels almost wingless, glabrous. Anthers ca. 0.4 mm. 2n = 10.
    Description
    provided by eFloras
    Annual; culms 10-60 cm high, loosely tufted, erect or slightly geniculate, slender. Leaf-blades narrowly lanceolate, 3-14 cm long, 3-9 mm wide, flat, minutely rough above and on the margins; ligule 3-6 mm long. Panicle obovate, 4-20 cm long, loose, nodding, the numerous spikelets borne on capillary pedicels. Spikelets 4-8-flowered, orbicular to triangular-ovate, 3-5 mm long and as wide or wider, glabrous, shining, green or tinged with purple; lemma 2-3 mm long, very broad, deeply concave, hardened and shining in the centre but with broad white membranous margins.
    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, s ometimes rooting at nodes, Stems solitary, 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 mostly cauline, 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 glabrous, Leaf blades scabrous, roughened, or wrinkled, Ligule present, Ligule an unfringed eciliate membrane, Inflorescence terminal, Inflorescence an open panicle, openly paniculate, branches spreading, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence branches more than 10 to numerous, Flowers bisexual, Spikelets laterally compressed, Spikelet l ess than 3 mm wide, Spikelets with 3-7 florets, Spikelets with 8-40 florets, Spikelets solitary at rachis nodes, 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, Glumes 2 clearly present, Glumes equal or subequal, Glumes shorter than adjacent lemma, Glumes 3 nerved, Glumes 4-7 nerved, Glumes 8-15 nerved, Lemma similar in texture to glumes, Lemma 5-7 nerved, Lemma 8-15 nerved, Lemma glabrous, Lemma body or surface hairy, Lemma apex truncate, rounded, or obtuse, Lemma awnless, Lemma mucronate, very shortly beaked or awned, less than 1-2 mm, Lemma awn less than 1 cm long, Lemma awns straight or curved to base, Lemma margins thin, lying flat, Lemma saccate or swollen, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea shorter than lemma, Stamens 3, Styles 2-fid, deepl y 2-branched, Stigmas 2, Fruit - caryopsis.

Habitat

    Habitat
    provided by Bibliotheca Alexandrina LifeDesk

    Weed of cultivation.

    Habitat & Distribution
    provided by eFloras
    Gardens, cultivated. Fujian, Guizhou, Jiangsu, Taiwan, Zhejiang (Hangzhou Shi) [N Africa, SW Asia, S Europe].

Cyclicity

Life Expectancy

    Life Expectancy
    provided by Bibliotheca Alexandrina LifeDesk

    Annual.