Crabgrass (Digitaria sanguinalis) is an annual in the grass family (Poaceae). Crabgrass Scientific Name: Digitaria spp. Leaves are flat, measuring 0.75-6 inches long and up to 0.5 inches wide, with a prominent mid-rib and pubescent on both sides. Some call it the large crabgrass yet others have also named it the common crabgrass. Crab grass, Digitaria sanguinalis. Hairy crabgrass - Herbal Medicine - An illustrated compilation of Philippine medicinal plants by Dr Godofredo Umali Stuart with botanical information, chemical properties, folkloric uses and research studies. Also Known As: Large Crabgrass. Crabgrass is a summer annual that germinates when soil temperatures reach a consistent 55 degrees F and is generally killed at the first frost. & Chase) Fernald – tropical crabgrass Subordinate Taxa. Depending on the species, the blades Rank Scientific Name and Common Name; Kingdom: Plantae ... Digitaria Haller – crabgrass Species: Digitaria argillacea (Hitchc. Weed Family: Poaceae. Classification: Grass, summer annual Growth Habit: Spreading, prostrate Description: There are five species of crabgrass that are common in Florida: India, blanket, southern, tropical and smooth crabgrass. Crabgrass leaves are rolled in the bud; the first leaf appears short, wide and blunt-tipped. Smooth crabgrass Photo courtesy of Randall Prostak University of Massachusetts Habitat Cultivated and uncultivated areas Affected crops Most agricultural crops Distribution Africa, Asia, Europe, South America, USA Description; Large crabgrass (D. sanguinalis) Synonym: Finger grass Large crabgrass germinates in the spring and competes with turf during the summer months. This weed comes with a variety of names. Digitaria sanguinalis is a species of grass known by several common names, including hairy crabgrass, hairy finger-grass, large crabgrass, crab finger grass, purple crabgrass. Click on a scientific name below to expand it in the PLANTS Classification Report. The majority of the types of crabgrass weeds are native to tropical and temperate regions. Nevertheless, its scientific name is Digitaria sanguinalis It has an annual life cycle and traces its origin to Europe.. Hairy crabgrass thrives well in rich clay or sandy soil. Crab grass develops several branching culms at the base, the lower branches of the culms tend to sprawl across the ground, while their upper branches are more erect. While some of the varieties of crabgrass are considered weeds, others are food and animal forage. Synonyms (former Scientific Names): Syntherisma sanguinalis . Habit. Scientific name: Echinochloa crus-galli L. Life Cycle: ... Large crabgrass emerges later than most annual grass weeds and grows well under hot, dry conditions (Figure 13). Crabgrass Scientific name: Digitaria spp. Description. Crabgrass have membranous ligules that are truncated and have a jagged appearance. The other is Hairy Crabgrass (Digitaria sanguinalis), which has hairy sheaths, a small but distinct first glume, second glume about half as long and wide as the lemma, and (when not repeatedly mowed over) is a rather larger plant with up to 15 spikes at stem tips. local name of Digitaria sanguinalis is crab grass.. Digitaria sanguinalis is an annual grass.The height of Crab grass is between 1 to 3 feet long. Crabgrass begins germinating when sustained soil temperatures are 55 degrees F and moisture is available. Scientific Name: Digitaria sanguinalis. Description. Panicum sanguinale . Large crabgrass has a prostrate to ascending growth habit and is capable of rooting at the nodes. Leaf blades vary in size from 1 inch to over 2 inches long. There are 33 listed species in the family, all different crabgrass varieties. Digitaria species span the globe with many indigenous names. Chase ) Fernald – tropical crabgrass Subordinate Taxa in the PLANTS Classification.. 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