Digitaria ciliaris
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D. ciliaris
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| Digitaria ciliaris (Retz.) Koeler
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Digitaria ciliaris is a species of grass known by the common names southern crabgrass,[2] tropical finger-grass,[3] tropical crabgrass or summer grass.[4]
The grass is known as "ගුරු තණ - guru thana" in Sri Lanka.
Distribution
Digitaria ciliaris is a tough plant, believed to have originated in Asia but now found all over the tropical belt of the planet, as well as in many temperate regions of both hemispheres.[5] This grass is an invasive species considered an aggressive weed in certain countries, including China, Mexico and the United States.[5]
Together with Portulaca oleracea, Ipomoea pes-caprae and Melanthera biflora, Digitaria ciliaris is usually one of the first species colonizing degraded or altered environments in tropical zones of the planet.[6]
Description
This grass is as annual that can grow up to 1 m tall, but is usually much shorter. The roots are at the nodes and the stems produce runners that allow the plant to grow fast forming scruffy-looking patches about 1 m across and half a metre in height. The leaves are linear to linear-ovate narrowing at the tip to 15 centimeters long. The inflorescence is at the top of a long stem, usually much taller than the leaves, with two to nine 5–10 cm long sub-digitate racemes.[5]
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File:Starr 080605-6706 Digitaria ciliaris.jpg
General appearance of the grass.
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File:Starr 020112-9001 Digitaria ciliaris.jpg
Plant and roots.
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References
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Media related to Lua error in package.lua at line 80: module 'strict' not found. at Wikimedia Commons- Southern crabgrass PFAF
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Digitaria ciliaris. USDA Plants Profile.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Digitaria ciliaris - Common Australian Garden Weeds.
- ↑ 5.0 5.1 5.2 Digitaria ciliaris - CABI
- ↑ Heatwole, H., Done, T., Cameron, E. Community Ecology of a Coral Cay, A Study of One-Tree Island, Great Barrier Reef, Australia. Series: Monographiae Biologicae, Vol. 43, p. 102
- Pages with reference errors
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- NatureServe secure species
- Digitaria
- Flora of Australia
- Flora of Bhutan
- Flora of Brazil
- Flora of China
- Flora of Hawaii
- Flora of India
- Flora of Malesia
- Flora of Peru
- Flora of Sri Lanka
- Flora of Thailand
- Flora of Vietnam
- Grasses of the United States
- Ruderal species
- Invasive plant species
