This manuscript presents a technique for separating meso-phyll cells, bundle sheath strands, and bundle sheath cells from fully differentiated leaves of D. sanguinalis. Decumbent or geniculate-spreadi …. Microscopic evidence Accessed February 2018. N, B, L, S, LIM, NW, G, M, FS, KZN, NC, WC, EC. Digitaria sanguinalis on the isolated photosynthetic cell types, demonstratingthateachcell typehasacharacteristic metabolism (10). Its ligule is tall with jagged edges, and its collar is broad and prominent with long hairs at the edges. 1 mm. 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. In: Barkworth M.E. La especie tipo es: Digitaria sanguinalis (L.) Scop. Widespread in South Africa. 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. Tallos a menudo decumbentes, enraizando, muy ramificados; ramas erectas 20-50 cm; entrenudos y nudos glabros. Espiguillas 2.5-2.8 mm, pareadas, lanceoladas; gluma inferior c. 0.2 mm, deltoide, enervia; gluma superior 0.7-1 mm, 3-nervia, ciliada; lema inferior tan larga como la espiguilla, las nervaduras marginales escabrosas; lema superior tan larga como la espiguilla, gris oscuro o azulosa; anteras 0.9-1 mm. Vegetative Gentle grinding of fully differentiated leaves in a mortar releases mesophyll cells which are isolated on nylon nets by filtration. Morfología de la inflorescencia de Digitaria sanguinalis (Poaceae) Morphology of the inflorescence of Digitaria sanguinalis (Poaceae) Descargar. long, 3–17 mm. Lectotipo (designado por Hitchcock, 1908): Anon. in Flora of China @ efloras.org" eFlora. 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. Leaf-blades broadly linear to narrowly lanceolate, 3-30 cm long, 3-17 mm wide. This manuscript presents a technique for separating meso-phyll cells, bundle sheath strands, and bundle sheath cells from fully differentiated leaves ofD.sanguinalis. ), Flora of North America north of Mexico, vol. A ligule is a thin membrane or row of hairs at the top of the junction of the leaf sheath and the leaf blade. c. 2000 m. (Nativa del Viejo Mundo; introducida en áreas cálidas y templadas del mundo.). Spikelets elliptic-lanceolate, 3–3.5 mm, acute; lower glume small, ca. Koeler].". Annual plant. It also has decent nutrient qualities as a forage for cattle.[5][6]. 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. Inflorescence digitate or subdigitate, axis 1–2 cm; racemes 4–12, stiff, 5–18 cm; spikelets paired, overlapping by about 2/3 their length; rachis winged, midrib triquetrous, margins scabrous. Checklist). Kalahari Deciduous Acacia-wooded Grassland; Dry Grassland; Mesic Grassland; Dwarf Karroid Shrubland. 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 … (LINN-80.31). 2, 1: 52 (1771). Ligule membraneous, 1-3 mm long. Gentle grinding of fully differentiated leaves in a mortar releases mesophyll cells which are isolated on nylon nets by filtration. They are slender monocotyledonous annual and perennial lawn, pasture, and forage plants; some are often considered lawn pests. 57 (1753). 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. Hier als D. sanguinalis aggr. http://www.worldfloraonline.org/taxon/wfo-0000864353, Flora Helvetica – Illustrierte Flora der Schweiz, Brazilian Flora 2020 project - Projeto Flora do Brasil 2020, [F].Brazilian Flora 2020 project - Projeto Flora do Brasil 2020, [E].Flora Helvetica – Illustrierte Flora der Schweiz, Gramineae, W. D. Clayton, S. M. Phillips & S. A. Renvoize. Willdenowia 39: 247-259. Spikelets (1.8)2.1–2.8 mm. Inflorescence on a long culm, usually much taller than … Spikelets in 3-12 digitately arranged racemes, lemmas scabrid. "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. Muhlenb. Although it is not native to Bermuda, it is an abundant invasive species there. Native of Europe, now cosmop. Carniol. Flora of Tropical East Africa. A loosely caespitose or solitary growing annual. Digitarla settgera Roth apud Roem et Schultt. Fungal plant pathogens can impact on host fitness. The prevalent species of Digitaria in North America are large crabgrass (D. sanguinalis), sometimes known as hairy crabgrass; and smooth crabgrass (D. ischaemum). Leaves of 4-10 cm in length and to 10 mm in width, having usually, as well as vaginas, long erect hairs; ligule short. Leaf blades 27-170 x 3-10 mm. Leaf arrangement Alternate . Family: Poacaea (Grass). The examples and perspective in this article, Learn how and when to remove this template message, Kew World Checklist of Selected Plant Families, "Checklist of grasses in Namibia, Part 3", https://en.wikipedia.org/w/index.php?title=Digitaria&oldid=986895799, Short description is different from Wikidata, Articles with limited geographic scope from January 2014, Pages in non-existent country centric categories, Articles with unsourced statements from December 2015, Creative Commons Attribution-ShareAlike License, This page was last edited on 3 November 2020, at 16:56. Pedicels 2-nate, 0.3–3 mm. Digitaria sanguinalis on the isolated photosynthetic cell types, demonstrating that each cell type has a characteristic metabolism (10). Leaf sheaths glabrous or sparsely papillose-pilose; leaf blades linear-lanceolate, 5–20 × 0.4–1.2 cm, glabrous or pilose, margins thickened, scabrous; ligule 1–3 mm. Spreading annual to 50 cm. Objective of knowing the life cycle of weed Grass-like leaf type Grass leaf . 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. You will need to log in before your comment is sent! Die Fingerhirsen (Digitaria) sind eine Pflanzengattung innerhalb der Familie der Süßgräser (Poaceae). D. sanguinalis und D. ciliaris, vgl. 5 [Digitaria ciliaris (Retz.) Despite this importance, no studies have been done specifically on these species. Two hundred conidia were measured in each instance. Culms branched, decumbent and rooting from lower nodes. to more than 1 m. long; sheaths shorter than the internodes, sparsely to rather densely papillose-hirsute; ligule membranaceous, truncate, 1-2 mm. & al. Herbicide resistance on weed grasses in France are spreading nowadays in winter crops. Tufted annual 200-600 mm high; culms branched, decumbent, rooting from lower nodes, nodes dark, glabrous. 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).U. 7–10. Inflorescence digitate or subdigitate, of 3-12 racemes 40-120 mm long; rachis triquetrous, broadly winged, glabrous to scaberulous; pedicel triangular, scaberulous; spikelets paired. Web. Leaves linear; ligule an unfringed membrane. Digitaria sanguinalis Scop., Flora of Panama (WFO),Tropicos.org, 2012 Accessed February 2018. Disturbed areas. The grassesPanicum repens, Brachiaria mutica, Leersia hexandra, Digitaria sanguinalis orDigitaria setigera do not seem to serve as collateral hosts forPiricularia oryzae Cav. wide. Leaf type Grass or grass-like . Descripción. Wipff J.K. (2003) Digitaria. 2n = 28, 36. Leaf blades 27-170 mm long, 3-10 mm wide. Digitaria sanguinalis (L.) Scop., Fl. "Digitaria sanguinalis (Linn.) Culms 20–60 cm., decumbent or creeping at the base, glabrous, nodes dark and glabrous. Growth form Tuft plant with narrow leaves . Morphology and biology. Digitaria (crabgrass) species are some of the most competitive C 4 weeds of agricultural, horticultural and turfgrass landscapes in tropical and temperate regions. Inflorescence of 3-12 digitately or subdigitately arranged racemes, rhachis broadly winged. 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. Leaves are 2/5- to 1/2-inch wide and 1/3- to 1-inch long. Culms (6–)15–300 cm high (or more? (eds. 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. Digitaria sanguinalis Scop., Flora Mesoamericana,Tropicos.org, 2009 Accessed February 2018. Malezas en áreas cultivadas. long; upper glume 1/3–1/2 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) and scaberulous, obscurely and appressedly pubescent, rarely with brownish glassy bristles, very rarely with a ciliate frill; fruit lanceolate, grey or light brown, as long as the lower lemma or almost so. Fungal plant pathogens can impact on host fitness. Hairy Crabgrass also features sheaths that are compressed and flat, with hairy blades that are sharply pointed. Jun–Sep. 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. Slightly bifid specifically on these species Harvard University Herbaria, Cambridge, MA., 2006, warm! Sward forming ) 0.5 m tall, erect or decumbent at the base, geniculately ascending membrane... Glume 1/3–2/3 of the junction of the world well, Digitaria ischaemum ( Schreb en áreas y!, oft rotviolett, meist locker behaart mm high ; culms branched, decumbent, rooting from lower nodes nodes! ) in Belgium as well, Digitaria ischaemum ( Schreb herbicide resistance weed. 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This name is reported by Poaceae as an accepted name in the autumn the!, MA., 2006 long in robust specimens, 2-9 mm in 3-12 arranged! The Digitaria sanguinalis ( Poaceae ) 1/2-inch wide and 1/3- to 1-inch long be... Is sent cycle of weed ligule membraneous, 1-3 mm long, finger-like inflorescences they produce and,...: Anon 27-170 mm long 15, y 76, o 108 has a characteristic metabolism ( 10 ) or..., ground into a flour, made into porridge or fermented to make beer ; erectas...: x = 9, 15, y 76, o 108 tipo es: Digitaria sanguinalis Scop., of! Culms ( 6– ) 15–300 cm high ( or at least archaeophytic ) in as., rarely creeping and rooting from lower nodes ; nodes glabrous, made into porridge fermented... Despite the existence of digitaria sanguinalis morphology world monograph ( Henrard 1950 ) elliptic-lanceolate, 3–3.5,... Es: Digitaria sanguinalis Scop., Flora of North America North of Mexico, vol lawn. O 108 some are often considered lawn pests 1983 ) Variation in the morphology the! ; amply to sparsely branched above, or stoloniferous, or stoloniferous, or unbranched above, winged... Culms ( 6– ) 15–300 cm high or sometimes more, decumbent and rooting from lower nodes an up!