Dichanthelium laxiflorum

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Dichanthelium laxiflorum
Insert.jpg
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida – Monocotyledons
Order: Cyperales
Family: Poaceae ⁄ Gramineae
Genus: Dichanthelium
Species: D. laxiflorum
Binomial name
Dichanthelium laxiflorum
(Lam.) Gould
DICH LAXI dist.jpg
Natural range of Dichanthelium laxiflorum from USDA NRCS Plants Database.

Description

Common Name: openflower rosette grass

Distribution

Ecology

Habitat

It can live in disturbed areas (e.g., clear-cut, thinned, burned) with clay to sandy loam soil in subtropical climates.[1] It can also dwell in dry areas.[2] It can live in sandstone barrens communities.[2] It can be found in loblolly pine communities[3] as well as longleaf pine communities.[4]

Phenology

Seed dispersal

It can be found in the seed bank of disturbed and undisturbed sites.[4] It can also be found in the seed bank of a Florida flatwoods plant community.[5]

Seed bank and germination

From observing the results of Taft's prescribed burns, fire seems to be required for germination.[2]

Fire ecology

In an experiment by Iglay, Leopold, Miller, and Burger, D. laxiflorum had a positive response to dormant season prescribed fire and imazapyr, a herbicide.[1] Following an early dormant season, moderate-intensity burn in 1989, it rapidly increased, probably due to a stimulation if the seed bank. By 1995, D. laxiflorum occurred in 64% of the quadrats in Illinois and was the species with the greatest frequency, replacing Schizachyrium scoparium as the dominant species.[2]

Pollination

Use by animals

Diseases and parasites

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 Iglay, R. B., B. D. Leopold, et al. (2010). "Effect of plant community composition on plant response to fire and herbicide treatments." Forest Ecology and Management 260: 543-548.
  2. 2.0 2.1 2.2 2.3 Taft, J. B. (2003). "Fire effects on community structure, composition, and diversity in a dry sandstone barrens." Journal of the Torrey Botanical Society 130: 170-192.
  3. Miller, J. H. and K. V. Miller (1999). Forest plants of the southeast, and their wildlife uses Champaign, IL, Southern Weed Science Society.
  4. 4.0 4.1 Cohen, S., R. Braham, et al. (2004). "Seed bank viability in disturbed longleaf pine sites." Restoration Ecology 12: 503-515.
  5. Kalmbacher, R., N. Cellinese, et al. (2005). "Seeds obtained by vacuuming the soil surface after fire compared with soil seedbank in a flatwoods plant community." Native Plants Journal 6: 233-241.