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Asian crabgrass
Scientific Name: Digitaria bicornis
Family: Poaceae
Category: Monocot
Growth: Graminoid
Duration: Perennial
Other Names:
Asian Crabgrass (Digitaria bicornis)
Asian Crabgrass, scientifically known as Digitaria bicornis, is a summer annual grassy weed frequently found in open, disturbed habitats. It is also known as Tropical Crabgrass.
Nomenclature and Taxonomy
- Scientific Name: Digitaria bicornis (Lam.) Roem. & Schult.
- Common Names: Asian Crabgrass, Tropical Crabgrass, Crabgrass, Finger-grass, Fonio
- Family: Poaceae (Grass Family)
- Synonyms: Digitaria diversiflora, Paspalum bicorne
- Nomenclatural Reference: Syst. Veg., ed. 15 bis Roemer & Schultes 2: 470. 1817 Nov 1817
Distribution and Habitat
This plant is native to tropical to warm temperate regions. It prefers open, disturbed habitats.
Ecological Role
- Digitaria bicornis is considered a weed and can be invasive in some areas.
Morphological Characteristics and Growth Habits
- It is a summer annual grass that spreads by rooting at the nodes.
- The seed germinates in the spring.
- Members of the Digitaria genus are generally slender.
- University of Florida researchers note that Asian crabgrass is distinguished from both smooth and hairy crabgrasses by the fact that its seed-head branches.
Interactions with Other Organisms
- It is considered a pest in turfgrasses.
Further Information
- USDA-NRCS PLANTS Database