Difference between revisions of "Panicum verrucosum"

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===Seed bank and germination===
 
===Seed bank and germination===
The species showed a significant increase in abundance after tilling (soil disturbance), and was abundant in seed banks. <ref name=kir/> "Require[s] exposed soil for germination [and] may depend on drought-related disturbance for recruitment from the seed bank." <ref> Kirkman, L. K. and R. R. Sharitz (1994). "Vegetation disturbance and maintenance of diversity in intermittently flooded Carolina bays in South Carolina." Ecological Applications 4: 177-188. </ref>
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The species showed a significant increase in abundance after tilling (soil disturbance), and was abundant in seed banks. <ref name=kir/> Germination depends on exposed soil and possibly disturbance caused by drought. <ref> Kirkman, L. K. and R. R. Sharitz (1994). "Vegetation disturbance and maintenance of diversity in intermittently flooded Carolina bays in South Carolina." Ecological Applications 4: 177-188. </ref>
  
 
===Fire ecology=== <!--Fire tolerance, fire dependence, adaptive fire responses-->
 
===Fire ecology=== <!--Fire tolerance, fire dependence, adaptive fire responses-->

Revision as of 16:38, 7 November 2016

Panicum verrucosum
Pani verr.jpg
Photo by Guy Anglin, Atlas of Florida Vascular Plants
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida – Monocotyledons
Order: Cyperales
Family: Poaceae ⁄ Gramineae
Genus: Panicum
Species: P. verrucosum
Binomial name
Panicum verrucosum
Muhl.
PANI VERR dist.jpg
Natural range of Panicum verrucosum from USDA NRCS Plants Database.

Common name: Warty panicgrass

Taxonomic notes

Description

Panicum verrucosum is an annual graminoid species. [1]

Distribution

Ecology

Habitat

P. verrucosum occurs in moist to wet, sandy or loamy soils, including sandy loam, loamy sand, and sandy peat. [2] It can be found in pine-wiregrass savannas, wooded floodplains, pond pine-titi peat swamps, sandhills, cabbage palm-mixed hardwood hammocks, and bordering bodies of water, including Cypress-gum ponds, lakes, Hypericum bogs, and ephemeral depression marshes. [2] Furthermore, this species appears in some disturbed areas, including near trails and borrow pits, and in ditches, clear-cuts, and power line corridors. [2] Associated species include Pinus palustris, Andropogon ternarius, Muhlenbergia expansa, Aristida stricta, Cyrilla, Ilex, Myrica, Cypress, Liquidambar styraciflua, Hypericum, Xyris, Rhynchospora, Schizachrium, Eupatorium, Scleria, Plea, and Zigadenus. [2]

Phenology

Flowering and fruiting have been observed in June, September, October, and December. [2]

Seed dispersal

According to Kay Kirkman, a plant ecologist, this species disperses by gravity. [3]

Seed bank and germination

The species showed a significant increase in abundance after tilling (soil disturbance), and was abundant in seed banks. [1] Germination depends on exposed soil and possibly disturbance caused by drought. [4]

Fire ecology

P. verrucosum is found in cut-burned areas of a Chamaecyparis thyoides stand in the Great Dismal Swamp. [5]

Conservation and management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 Kirkman, L. K. and R. R. Sharitz (1994). "Vegetation disturbance and maintenance of diversity in intermittently flooded Carolina bays in South Carolina." Ecological Applications 4: 177-188.
  2. 2.0 2.1 2.2 2.3 2.4 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2014. Collectors: Loran C. Anderson, John B. Nelson, Sidney McDaniel, L. J. Brass, Paul O. Schallert, R. Kral, R.K. Godfrey, James P. Gillespie, Angus Gholson, A. H. Curtiss, D. B. Ward, J. Hunter, F. S. Ward, Cecil Slaughter, R. A. Norris, and R. Komarek. States and Counties: Florida: Alachua, Baker, Calhoun, Duval, Franklin, Gadsden, Gulf, Highlands, Jefferson, Lafayette, Leon, Liberty, Nassau, Okaloosa, Osceola, Putnam, Seminole, Taylor, Wakulla, and Walton. Georgia: Atkinson, Grady, and Thomas.
  3. Kay Kirkman, unpublished data, 2015.
  4. Kirkman, L. K. and R. R. Sharitz (1994). "Vegetation disturbance and maintenance of diversity in intermittently flooded Carolina bays in South Carolina." Ecological Applications 4: 177-188.
  5. McKinley, C. E. and F. P. Day (1979). "Herbaceous production in cut-burned, uncut-burned and control areas of chamaecyparis thyoides (L.) BSP (Cupressaceae) stand in the Great Dismal Swamp." Bulletin of the Torrey Botanical Club 106: 20-28.