Crabgrass (Digitaria sanguinalis) is an annual in the grass family (Poaceae). Likewise, the common name of the smooth type derives from the fact that its leaves and stems are relatively hairless. Panicum sanguinale . • Digestibility / Mineral Analysis: Study on digestibility (IVDMD) and metabolizing energy (ME) study yielded 59.3% and 7.99% at early bloom, respectively, and 42.6% and 5.52% at maturity, respectively. 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. Remove this before it can seed. Weed Technology, 9(3):518-524. 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. Crab grass, Digitaria sanguinalis. The seeds are used as a rice substitute Crabgrass (E); Cebadilla (C) . Similar fitness between large crabgrass (Digitaria sanguinalis) accessions resistant or susceptible to acetyl-coenzyme A carboxylase inhibitors. Digitaria (crabgrass' botanical name) is a warm-season annual that reproduces by seed.   This opportunistic grass is the nemesis of homeowners wanting to cultivate a manicured lawn, perennial flower beds, and meticulous walkways. Digitaria sanguinalis (dij-ih-TARE-ree-uh san-gwin-NAY-liss) means red fingers. 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. Cross-resistance of a large crabgrass (Digitaria sanguinalis) accession to aryloxyphenoxypropionate and cyclohexanedione herbicides. Notes on Taxonomy and Nomenclature Top of page. large crabgrass. Digitaria sanguinalis ← → Other Common Names: large crabgrass. Habit. Synonyms (former Scientific Names): Syntherisma sanguinalis . Scop. Digitaria sanguinalis forms a very dense mat that can mature to be a really thick clump about 2-3″ tall. Wiederholt RJ; Stoltenberg DE, 1996. It is harvested from the wild for local use as a food, medicine and source of materials. Large crabgrass germinates in the spring and competes with turf during the summer months. Known Hazards There is a report that the leaves might be cyanogenic The more established the grass is, the more likely it’ll spread. Digitaria sanguinalis . Crabgrass grows from a rosette (kinda looks like a crab) and the older leaves and sheaths can turn red to maroon. purple crabgrass. purple crabgrass. Crabgrass have membranous ligules that are truncated and have a jagged appearance. It grows in clumps with stems that radiate out from the center and resemble crab legs. As you might imagine, the hairy type (Digitaria sanguinalis) is so-called because, if you inspect its leaves and stems, you will find many small hairs all over the plant. 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