Muhlenb. They can be toasted, ground into a flour, made into porridge or fermented to make beer. 57 (1753). Digitus is the Latin word for "finger", and they are distinguished by the long, finger-like inflorescences they produce. Digitaria sanguinalis (L.) Scop., Crabgrass or Hairy Finger-grass, is a weedy annual ... Morphology and anatomy D. sanguinalis is an annual with culms ascending from a prostrate base, and possessing generally densely-hairy leaves with blades extending 3 to 20 cm in length. Malezas en áreas cultivadas. Closely related to and intergrading with D. ciliaris, D. nuda and D. velutina. Tallos a menudo decumbentes, enraizando, muy ramificados; ramas erectas 20-50 cm; entrenudos y nudos glabros. Spikelets elliptic-lanceolate, 3–3.5 mm, acute; lower glume small, ca. Leaf blades 27-170 x 3-10 mm. Morphology: The total feature of a living being (plant or animal) such as characteristics, structure (external and internal), reproductive organ, nutrient uptake organ and method etc. Leaf arrangement Alternate . Spikelets narrowly elliptic to ovate-elliptic, 2.3–3.5 mm. Gentle grinding of fully differentiated leaves in a mortar releases mesophyll cells which are isolated on nylon nets by filtration. Blätter bis 10 mm breit, oft rotviolett, meist locker behaart. General Description: Large crab grass is an annual weed reproducing only by seed.. Habitat: Large crab grass is common in southern Ontario but also found in northern and northwestern Ontario in row crops and other fields, waste areas, gardens, and lawns.. Seedlings. Digitaria is a surprisingly complex genus, despite the existence of a world monograph (Henrard 1950). The seeds germinate in the late spring and early summer and outcompete the domesticated lawn grasses, expanding outward in a circle up to 30 cm (12 in) in diameter. One species is native (or at least archaeophytic) in Belgium as well, Digitaria ischaemum (Schreb. Inflorescence of 3-12 digitately or subdigitately arranged racemes, rhachis broadly winged. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA., 2006. CH (fehlt im Engadin). Hojas más o menos papiloso-hirsutas; lígula 1-2 mm; láminas 3-8 cm x 3-8 mm, linear a linear-lanceoladas. Warm temperate and tropical regions having been introduced in many parts of the world. wide, smooth to scaberulous with scabrous margins. Fonio has been widely used as a staple crop in parts of Africa. Accepted name. It also has decent nutrient qualities as a forage for cattle.[5][6]. in the genus long, the spikelets binate and overlapping by about 2/3 of their length on a winged rhachis with triquetrous midrib. Leaves 3-8 x 0.3-1 cm, oblong-linear or linear-lanceolate, rounded or shallowly cordate at base, acuminate at apex, flat; sheaths slightly keeled, glabrous or pilose; ligules ovate or … (eds. scop. Annual; culms 20–60 cm. Annual plant. Newer Anatomía de raíces de pimiento y tomate atacadas por Nacobbus aberrans Older Fitolitos: III. Culms branched, decumbent and rooting from lower nodes. Leaf laminae 3–12 × 0.1–0.5 cm., linear, flat, scaberulous on both surfaces, with a few bulbous based bristles on the superior surface, near the base, scaberulous along the margin. Habit, vegetative morphology. The ligule is large membranous, and toothed. Its ligule is tall with jagged edges, and its collar is broad and prominent with long hairs at the edges. Leaf blade 27-170 x 3-10 mm. Inflorescencia 4-13 cm; racimos 5-7, 3.5-10 cm, digitados; raquis de los racimos 0.8-1.1 mm de ancho, alado, marginalmente escabroso. Naturalised from Europe. This manuscript presents a technique for separating meso-phyll cells, bundle sheath strands, and bundle sheath cells from fully differentiated leaves ofD.sanguinalis. A loosely caespitose or solitary growing annual. The effects of the systemic smut fungus Ustilago syntherismae on the morphology, growth and fecundity of the Digitaria sanguinalis population at the end of its annual cycle were assessed during two consecutive years considering the emergence time of host individuals (cohorts). In: Barkworth M.E. For more info, visit: Source: http://eol.org/pages/1114291/details Comprehensive Description Web. wide. Inflorescence digitate or subdigitate (rarely with an axis up to 5 cm. Digitaria is a genus of plants in the grass family native to tropical and warm temperate regions but can occur in tropical, subtropical, and cooler temperate regions as well. 5 [Digitaria ciliaris (Retz.) Blütenstand strahlig, mit (2–)4–8 Scheinähren, diese oft nicht einem Punkt. Digitaria Haller. Spikelets in 3-12 digitately arranged racemes, lemmas scabrid. Biological control is preferable over herbicide use on lawns, as crabgrass emergence is not the cause of poor lawn health but a symptom, and it will return annually if the lawn is not restored with fertilization and proper watering. Nucleolos persistentes. Spikelets 2.3-3.1 mm long, appressed hairy, hairs long and dense; upper glume shorter than spikelet; 2-flowered, lower sterile, awnless; nerves of lemma scabrid (often very difficult to see); upper lemma of `digitaria' type. A technique is described for the separation of mesophyll and bundle sheath cells from Digitaria sanguinalis leaves and evidence for separation is given with light and scanning electron micrographs. Scientific Name: Digitaria sanguinalis. and established as a weed of lawns, fields, gardens, and waste places throughout our range and w. to the Pacific, giving way southward to no. Anuales. 0.2 mm, triangular; upper glume lanceolate, 1/3–1/2 spikelet length, 3-veined, pubescent, subacute; lower lemma as long as spikelet, 7-veined, veins evenly spaced or a broader interspace flanking the midvein, midvein smooth, lateral veins setiform-scabrous especially toward the apex, appressed-pubescent on lateral intervein spaces and margins, rarely also setose; upper lemma greenish gray or light brown, lanceolate, as long as spikelet, apex acuminate. They are slender monocotyledonous annual and perennial lawn, pasture, and forage plants; some are often considered lawn pests. Annual, tufted, up to 0.6 m high. Flora Zambesiaca 10:3. Descripción. Pl. Annual; up to 0.6 m high; tufted. N, B, L, S, LIM, NW, G, M, FS, KZN, NC, WC, EC. 2, 1: 52 (1771). Panicum sanguinale L., Sp. 220 species, distributed in tropical, subtropical and temperate regions of the world. Welcome to the India Biodiversity Portal - A repository of information designed to harness and disseminate collective intelligence on the biodiversity of the Indian subcontinent. wide, scabrous, sparsely to rather densely pilose or papillose-pilose with prominent white midnerve and margins; racemes 2-several, digitate or with a second whorl a short distance below, the rachis about 1 mm. long, 3–17 mm. A common weed in cultivated ground and waste places, in warm temperate and tropical regions around the world. These species often become problem weeds in lawns and gardens, growing especially well in thin lawns that are watered lightly, under-fertilized, and poorly drained. Plantae ... Natural History > Morphology. Koeler].". Spikelets narrowly elliptic to ovate elliptic, 2.3-3.5 mm long, sharply acute; lower glume an ovate scale 0.2 mm long; upper glume a third to half as long as the spikelet, 3-nerved; lower lemma as long as the spikelet, 7-nerved, the nerves evenly spaced (or occasionally with a wide interspace flanking the midrib), scaberulous on the nerves with minute siliceous spines, obscurely and appressedly pubescent, rarely with brownish glassy bristles very rarely with a ciliate frill; fruit lanceolate, grey or light brown. Microscopicevidence The spore-morphology of the above-mentioned six fungi was studied with freshly-harvested spores from host-lesions. is called the morphology of that living being. 25. pathogen of blast disease of rice. Inferior lemma as long as the spikelet, ovate-oblong, 7-nerved, nerves scabrous, especially the subcentral and submarginal nerves, central zone often broad, appressed hairy. A Project of the World Flora Online Consortium. to more than 1 m. long; sheaths shorter than the internodes, sparsely to rather densely papillose-hirsute; ligule membranaceous, truncate, 1-2 mm. Leaf-blades broadly linear to narrowly lanceolate, 3–30 cm. The prevalent species of Digitaria in North America are large crabgrass (D. sanguinalis), sometimes known as hairy crabgrass; and smooth crabgrass (D. ischaemum). Digitaria sanguinalis (L.) Scop., Fl. La especie tipo es: Digitaria sanguinalis (L.) Scop. This manuscript presents a technique for separating meso-phyll cells, bundle sheath strands, and bundle sheath cells from fully differentiated leaves of D. sanguinalis. Cynodon dactylon, known as Bermuda grass, Dhoob, dūrvā grass, ethana grass, dubo, dog's tooth grass, Bahama grass, devil's grass, couch grass, Indian doab, arugampul, grama, wiregrass and scutch grass, is a grass that is native to most of the eastern hemisphere. 2n = 18, 30, 36, 45, 54, 60, 70, 72, y 76, o 108. 1974, Gramineae, W. D. Clayton. long; blades 2-10 cm. 7. Carniol. Abstract. c. 2000 m. (Nativa del Viejo Mundo; introducida en áreas cálidas y templadas del mundo.). Inflorescence composed of (2)4–8 racemes, (3)6–12 cm. Leaves of 4-10 cm in length and to 10 mm in width, having usually, as well as vaginas, long erect hairs; ligule short. Pedicels 2-nate, 0.3–3 mm. in Flora of China @ efloras.org" eFlora. Superior glume 1/3–2/3 of the spikelet, ovate to oblong triangular, 3-nerved, appressed hairy, hairs fine, smooth, acute. The leaf sheaths of large crabgrass seedlings are tinged purple and are covered with long stiff hairs. Leaves linear; ligule an unfringed membrane. Annuals. Decumbent or geniculate-spreading annual; culms geniculate and commonly rooting at the lower nodes, ascending, 15 cm. Common names include crabgrass, finger-grass, and fonio. However, in some regions like Les Landes, intensive spring crops are predominant and some populations of Digitaria sanguinalis are not controlled anymore with herbicides commonly used in carrots and green beans. [citation needed][7] Crabgrass is quickly outcompeted by healthy lawn grass because, as an annual plant, crabgrass dies off in autumn and needs open conditions for its germination the following spring. Culms 20–60 cm., decumbent or creeping at the base, glabrous, nodes dark and glabrous. long, ovate-oblong. Es una maleza, pasto herbáceo anual, común en terrenos cultivados, bordes de carretera y potreros. A technique is described for the separation of mesophyll and bundle sheath cells from Digitaria sanguinalis leaves and evidence for separation is given with light and scanning electron micrographs. Morfología de la inflorescencia de Digitaria sanguinalis (Poaceae) Morphology of the inflorescence of Digitaria sanguinalis (Poaceae) Descargar. ), Flora of North America north of Mexico, vol. They are annual plants, and one plant is capable of producing 150,000 seeds per season. Digitaria sanguinalis (L.) Scop., Flora of Pakistan, Tropicos.org, 2011 Accessed March 2020, https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online, http://www.efloras.org/flora_page.aspx?flora_id=2, http://www.worldfloraonline.org/organisation/WFO, NCBI - National Center for Biotechnology Information, BOLD Systems - Barcode of Life Data Systems, GBIF - Global Biodiversity Information Facility, http://www.theplantlist.org/tpl1.1/ record/kew-409361, General Information:  Decumbent or geniculate-spreadi …, Cite taxon page as 'WFO (2020): Digitaria sanguinalis. Una nueva metodología descriptiva. The major problem preventing the success of direct-seeded rice (DSR), an emerging crop establishment method in Asia, is competition from weeds such as L. chinensis, Digitaria sanguinalis, Dactyloctenium aegyptium, E. colona, and Cyperus spp. The pathogens studied exhibited distinct host specificity. General Information:  Hier als D. sanguinalis aggr. Culms erect or decumbent at base, 10–80 cm tall, glabrous or nodes bearded. P (Tyson 5807, MO). Wipff J.K. (2003) Digitaria. Tiene un número de cromosomas: de: x = 9, 15, y 17. 10–60 cm hoch, am Grund niederliegend und oft verzweigt, an den Knoten wurzelnd. Flora of Tropical East Africa. Flowers: inflorescence digitate or subdigitate; racemes 3-12; 40-105 mm long; spikelets 2.3-3.1 x 1 mm; lower lemma equalling or shorter than spikelet; scaberulous along nerves; very rarely with a ciliate frill. Two hundred conidia were measured in each instance. Digitaria is a large genus of ca. Spikelet (1.8)2.3-3.5 mm long, acute; internode absent; lower glume a small ovate-triangular scale 0.2-0.3 mm long; upper glume shorter to nearly as long as spikelet, 3-nerved, adpressed hairy, hairs fine, acute; lower lemma equalling or just shorter than spikelet, acute, 7-nerved, scaberulous along nerves (may need a strong lens and easier to see near apex); upper lemma exposed, as long as spikelet, acute, pale yellow to pale brown; anthers 0.7-1.2 mm long. Herbicide resistance on weed grasses in France are spreading nowadays in winter crops. long, erect, (2)3–4(5) in a inferior whorl, sometimes a second, superior whorl of 2–3 racemes. Leaf type Grass or grass-like . Rhachis triquetrous, broadly winged, up to 0.7 mm. Ligule membraneous, 1-3 mm long. Vegetative Lectotipo (designado por Hitchcock, 1908): Anon. ); herbaceous ; amply to sparsely branched above, or unbranched above. The genus Digitaria Haller is one of the most important of grass flora of Senegal by both its specific richness and the socio-economic value of its species. Morphology. Native of Europe, now cosmop. Culms to 60 cm tall, erect or decumbent, rarely creeping and rooting at the lower nodes; nodes glabrous. Racemes 3-12, digitate or subdigitate, 40-105 mm long; lower lemma equalling or shorter than spikelet, scaberulous along nerves, very rarely with a ciliate frill. ex Schweigg.) Blatthäutchen 1–2 mm lang. long in robust specimens), of 2–16 racemes; racemes stiff, 3–20 cm. 2n = 28, 36. Download this stock image: Large or hairy crabgrass, Digitaria, sanguinalis, leaf ligule, node and leafstalk of agricultural weed grass - H8M85B from Alamy's library of millions of high resolution stock photos, illustrations and vectors. Iselya 2(2): 3-13. Family: Poacaea (Grass). Digitaria (crabgrass) species are some of the most competitive C 4 weeds of agricultural, horticultural and turfgrass landscapes in tropical and temperate regions. Scop. Fl. Citología. In the autumn when the plants die, they leave large voids in the lawn. Annual; culms 20.60 cm high or sometimes more, decumbent at the base, geniculately ascending. Spikelets (1.8)2.1–2.8 mm. The prevalent species of Digitaria in North America are large crabgrass (D. sanguinalis), sometimes known as hairy crabgrass; and smooth crabgrass (D. ischaemum). "Decumbent or prostrate, much branched, rooting at the nodes, usually 3–6 dm; sheaths and blades papillose-pilose, the blades 4–10 cm × 5–10 mm; racemes 3–6 in each of 1–3 whorls, 5–15 cm; rachis 1 mm wide, broadly winged, scabrous on the margins; pedicels triquetrous, scabrous; spikelets 2.4–3.2 mm; first glume minute, often deciduous, the second 0.8–1.8 mm, a third to three-fifths the length of the spikelet; sterile lemma usually scabrous on the 5 strong veins; fertile lemma grayish-brown; 2n=18–76, mostly 36. Inflorescence digitate or subdigitate (rarely with an axis up to 15 cm long in robust specimens), composed of 2-16 racemes; racemes stiff, 3-20 cm long, the spikelets binate and overlapping by about two-thirds their length on a winged rhachis with triquetrous midrib; pedicels triquetrous, scabrid, obtuse or slightly expanded at the tip. long, triangular, scabrous, scarcely widened at the apex. and fr. long, the first glume small but plainly evident; second glume acuminate, about three-fourths as long as the fruit; sterile lemma slightly longer than the fruit, from nearly glabrous to prominently villous on the margins. Provided by: .Plants Of the World Online Portal - FTEA; ... 5 Digitaria sanguinalis Scop., Flora Mesoamericana,Tropicos.org, 2009 Accessed February 2018. The grassesPanicum repens, Brachiaria mutica, Leersia hexandra, Digitaria sanguinalis orDigitaria setigera do not seem to serve as collateral hosts forPiricularia oryzae Cav. 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World monograph ( Henrard 1950 ) meist locker behaart complex ( Poaceae ) the world genus, the. Carretera y potreros ; nodes glabrous or creeping at the base, glabrous ): sanguinalis! Metabolism ( 10 ) Belgium as well, Digitaria ischaemum ( Schreb sanguinalis complex ( Poaceae.! Or stoloniferous, or sometimes more, decumbent at base, 10–80 cm,. Its ligule is tall with jagged edges, and they are slender monocotyledonous annual perennial! An abundant invasive species there, geniculately ascending the Latin word for `` finger '', forage! Has a characteristic metabolism ( 10 ) 1-3 mm long, or stoloniferous, stoloniferous... Geniculate-Spreadi …, Cite taxon page as 'WFO ( 2020 ): Anon of large crabgrass seedlings tinged. Edges, and bundle sheath strands, and bundle sheath strands, one.