Digitaria ciliaris (weed)

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Digitaria ciliaris (click on image to enlarge it)
Author(s): Forest & Kim Starr
Source: Wikimedia Commons

Digitaria ciliaris (weed) (Retz.) Koel. - (southern crabgrass)

This annual grass has a world-wide distribution and is particularly common in tropical and subtropical areas. It is often one of the first weeds to invade a field or disturbed area. Apart from roadsides and wastelands, it is mainly found in turfgrass and crops like cereals, soybeans or groundnuts. On turf, it can quickly grow out of control due to the formation of runners, suppressing desired grasses, and forming unsightly patches.

The plants grow to a height of up to 1 m, with hairy sheaths and rough leaf blades. The appearance of D. ciliaris is very similar to that of large crabgrass, Digitaria sanguinalis. Both species can be distinguished by the morphology of the spikelets.

Vernacular names
• Deutsch: Wimper-Fingerhirse
• English: southern crabgrass
tropical crabgrass
• Français: digitaire ciliée

Digitaria adscendens
Panicum adscendens
Panicum ciliare