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Image de Acrachne racemosa (B. Heyne ex Roth) Ohwi
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Acrachne racemosa (B. Heyne ex Roth) Ohwi

Distribution in Egypt ( anglais )

fourni par Bibliotheca Alexandrina LifeDesk

Nile region.

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cc-by-nc-sa-3.0
droit d’auteur
Bibliotheca Alexandrina
auteur
BA Cultnat
fournisseur
Bibliotheca Alexandrina

Global Distribution ( anglais )

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Throughout the Old World tropics.

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cc-by-nc-sa-3.0
droit d’auteur
Bibliotheca Alexandrina
auteur
BA Cultnat
fournisseur
Bibliotheca Alexandrina

Habitat ( anglais )

fourni par Bibliotheca Alexandrina LifeDesk

Introduced weed of maize, naturalized.

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cc-by-nc-sa-3.0
droit d’auteur
Bibliotheca Alexandrina
auteur
BA Cultnat
fournisseur
Bibliotheca Alexandrina

Life Expectancy ( anglais )

fourni par Bibliotheca Alexandrina LifeDesk

Annual.

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cc-by-nc-sa-3.0
droit d’auteur
Bibliotheca Alexandrina
auteur
BA Cultnat
fournisseur
Bibliotheca Alexandrina

Comments ( anglais )

fourni par eFloras
This species is a good forage grass.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of China Vol. 22: 481 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
rédacteur
Wu Zhengyi, Peter H. Raven & Hong Deyuan
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Comments ( anglais )

fourni par eFloras
A sporadic monsoon grass, reported to be a good fodder grass for cattle.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of Pakistan Vol. 0: 104 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of Pakistan @ eFloras.org
rédacteur
S. I. Ali & M. Qaiser
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Description ( anglais )

fourni par eFloras
Culms tufted, erect or geniculately ascending, 8–50 cm tall. Leaf sheaths glabrous, compressed; leaf blades narrowly lanceolate, 7–20 × 0.3–1 cm, soft, adaxial surface tuberculate-pilose at base, tapering to a setaceous apex. Inflorescence subdigitate or racemes arranged along a central axis up to 15 cm; racemes mainly grouped in pseudo-whorls or pairs, 4–12 cm, ascending. Spikelets densely imbricate, oblong with serrate outline, 6–10 mm, florets 6–20, stramineous at maturity; glumes papery-membranous; lower glume narrowly oblong, 1.2–3 mm, apex acute, mucronate; upper glume lanceolate, 1.5–3 mm, acuminate, awn-pointed; lemmas broadly ovate, 2–3 mm, keel scabrid, shallowly concave above middle and excurrent into a stout 0.5–1 mm awn-point, lateral veins also fractionally excurrent. Grain blackish, rugose, surface finely granular. Fl. and fr. autumn. 2n = 36.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of China Vol. 22: 481 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
rédacteur
Wu Zhengyi, Peter H. Raven & Hong Deyuan
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Description ( anglais )

fourni par eFloras
Tufted annual; culms 15-75 cm high, erect or geniculately ascending. Leaf-blades 7-20 cm long, 5-11.5 mm wide, soft, glabrous or sparsely pilose on the upper surface, rounded at the base, tapering to a fine hair-like tip. Inflorescence composed of several to many slender ascending secund spikes 1.5-10 cm long. Spikelets 6-25-flowered, 5.5-13 mm long, closely overlapping, whitish-green or brownish; glumes unequal, the lower 1.2-3.0 mm long, acute and mucronate, the upper 1.5-3.0 mm long, acuminate and awned, the awn one- to two- thirds as long as the glume; lemmas narrowly ovate in profile, 2-2.8 mm long with a stout awn-point 0.3-0.9 mm long.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of Pakistan Vol. 0: 104 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of Pakistan @ eFloras.org
rédacteur
S. I. Ali & M. Qaiser
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Distribution ( anglais )

fourni par eFloras
Hainan, Yunnan [Afghanistan, India, Indonesia, Myanmar, Pakistan, Sri Lanka, Thailand, Vietnam; Africa, SW Asia (S Arabia), N Australia, Pacific Islands; introduced in the West Indies].
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of China Vol. 22: 481 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
rédacteur
Wu Zhengyi, Peter H. Raven & Hong Deyuan
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Distribution ( anglais )

fourni par eFloras
Distribution: Pakistan (Punjab, N.W.F.P. & Kashmir); tropical Africa, Southeast Asia and Australia.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of Pakistan Vol. 0: 104 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of Pakistan @ eFloras.org
rédacteur
S. I. Ali & M. Qaiser
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Habitat ( anglais )

fourni par eFloras
Field margins, river banks; 300–900 m.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of China Vol. 22: 481 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
rédacteur
Wu Zhengyi, Peter H. Raven & Hong Deyuan
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Synonym ( anglais )

fourni par eFloras
Eleusine racemosa B. Heyne ex Roemer & Schultes, Syst. Veg. 2: 583. 1817; Acrachne verticillata (Roxburgh) Wight & Arnott ex Chiovenda; Eleusine verticillata Roxburgh; Lepto-chloa racemosa (B. Heyne ex Roemer & Schultes) Kunth; Sclero-dactylon micrandrum P. C. Keng & L. Liu.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of China Vol. 22: 481 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
rédacteur
Wu Zhengyi, Peter H. Raven & Hong Deyuan
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Physical Description ( anglais )

fourni par USDA PLANTS text
Annuals, Terrestrial, not aquatic, 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 open, or loose, Leaf sheath smooth, glabrous, Leaf sheath or blade keeled, Leaf sheath and blade differentiated, Leaf blades linear, Leaf blades 2-10 mm wide, Leaf blades mostly flat, Leaf blades mostly glabrous, Leaf blades more or less hairy, Ligule present, Ligule a fringed, ciliate, or lobed membrane, Inflorescence terminal, Inflorescence with 2 or more spikes, fascicles, glomerules, heads, or clusters per culm, Inflorescence a panicle with narrowly racemose or spicate branches, Inflorescence a panicle with digitately arranged spicate branches, Inflorescence with 2-10 branches, Inflorescence branches more than 10 to numerous, Inflorescence branches 1-sided, Lower panicle branches whorled, Rachis angular, Flowers bisexual, Spikelets sessile or subsessile, Spikelets laterally compressed, Spikelet less than 3 mm wide, Spikelets with 3-7 florets, Spikelets with 8-40 florets, Spikelets solitary at rachis nodes, Spikelets paired at rachis nodes, Spikelets all alike and fertille, Spikelets bisexual, Spikelets disarticulating above the glumes, glumes persistent, Spikelets disarticulating beneath or between the florets, Spikelets secund, in rows on one side of rachis, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 2 clearly present, Glumes distinctly unequal, Glumes shorter than adjacent lemma, Glumes keeled or winged, Glumes 1 nerved, Lemmas thin, chartaceous, hyaline, cartilaginous, or membranous, Lemma 3 nerved, Lemma glabrous, Lemma apex acute or acuminate, Lemma mucronate, very shortly beaked or awned, less than 1-2 mm, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea shorter than lemma, Palea about equal to lemma, Palea 2 nerved or 2 keeled, Palea keels winged, scabrous, or ciliate, Palea auriculate or bowed out at base, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear.
licence
cc-by-nc-sa-3.0
compilateur
Dr. David Bogler
source
Missouri Botanical Garden
source
USDA NRCS NPDC
original
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USDA PLANTS text

Mần trầu tầng ( vietnamien )

fourni par wikipedia VI
Đối với các định nghĩa khác, xem Mần trầu (định hướng).

Mần trầu tầng (danh pháp khoa học: Acrachne racemosa) là một loài thực vật có hoa trong họ Hòa thảo. Loài này được (Heyne ex Roth) Ohwi mô tả khoa học đầu tiên năm 1947.[1]

Chú thích

  1. ^ The Plant List (2010). Acrachne racemosa. Truy cập ngày 6 tháng 6 năm 2013.

Liên kết ngoài


Bài viết chủ đề tông thực vật Cynodonteae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
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Wikipedia tác giả và biên tập viên
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wikipedia VI

Mần trầu tầng: Brief Summary ( vietnamien )

fourni par wikipedia VI
Đối với các định nghĩa khác, xem Mần trầu (định hướng).

Mần trầu tầng (danh pháp khoa học: Acrachne racemosa) là một loài thực vật có hoa trong họ Hòa thảo. Loài này được (Heyne ex Roth) Ohwi mô tả khoa học đầu tiên năm 1947.

licence
cc-by-sa-3.0
droit d’auteur
Wikipedia tác giả và biên tập viên
original
visiter la source
site partenaire
wikipedia VI

尖稃草 ( chinois )

fourni par wikipedia 中文维基百科
二名法 Acrachne racemosa

尖稃草学名Acrachne racemosa),为禾本科尖稃草属下的一个植物种。[1]

参考资料

  1. ^ 尖稃草 Acrachne racemosa (Heyne ex Roem. & Schult.) Ohwi. 中国植物物种信息数据库. [2013-01-15].


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尖稃草: Brief Summary ( chinois )

fourni par wikipedia 中文维基百科

尖稃草(学名:Acrachne racemosa),为禾本科尖稃草属下的一个植物种。

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cc-by-sa-3.0
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维基百科作者和编辑