Difference between revisions of "Gymnopogon ambiguus"
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===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.--> | ===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.--> | ||
| − | This species has been observed to grow in open pine woods along the edges of depression ponds, longleaf pine-oak-wiregrass sandhill communities, sparsely wooded ecotone borders of limestone glades, longleaf pine-turkey oak flats and sand ridges, xeric sand pine scrub, upland pine oak woodlands, and clearings within mixed woodland forests | + | This species has been observed to grow in open pine woods along the edges of depression ponds, longleaf pine-oak-wiregrass sandhill communities, sparsely wooded ecotone borders of limestone glades, longleaf pine-turkey oak flats and sand ridges, xeric sand pine scrub, upland pine oak woodlands, and clearings within mixed woodland forests. This plant has been seen growing in open and partial shaded environments in dry, loamy, and loose sands asd well as moist sandy clay loam (FSU Herbarium). Also growing in disturbed areas, ''G. ambiguus'' has been observed in powerline corridors, along trails, on pine plantations, and on open fields <ref name=fsu.Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2014. Collectors: Loran C. Anderson, Wilson Baker, Robert K. Godfrey, James R. Burkhalter, Angus Gholson, Richard D. Houk, Robert Kral, Andre F. Clewell, D. L. Martin, S. T. Cooper, Sidney McDaniel, R.A. Norris, D. C. Hunt, R. Komarek, and J.M. Kane. States and Counties: Florida: Gadsden, Jackson, Jefferson, Lafayette, Leon, Madison, Marion, Nassau, Putnam, Santa Rosa, and Wakulla. Georgia: Grady and Thomas.</ref>. Associated species includes ''Pinus palustris, Quercus falcata, Baptista hirsuta, Quercus nigra, Pterocaulon, stillingia, Heterotheca, Liquidambar styraciflua, Aristida stricta,Solidago, Andropogon, Sorghastrum'' and ''Pinus taeda'' (FSU Herbarium). And also Bluestem<ref name=fsu/>. |
===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers. Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ --> | ===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers. Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ --> | ||
Revision as of 13:07, 3 May 2016
| Gymnopohon ambiguus | |
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| Photo taken by Kevin Robertson | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta - Flowering plants |
| Class: | Liliopsida – Monocotyledons |
| Order: | Cyperales |
| Family: | Poaceae ⁄ Gramineae |
| Genus: | Gymnopogon |
| Species: | G. ambiguus |
| Binomial name | |
| Gymnopogon ambiguus (Michx.) Britton, Sterns & Poggenb. | |
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| Natural range of Gymnopogon ambiguus from USDA NRCS Plants Database. | |
Common name: Bearded skeletongrass
Contents
Taxonomic notes
Description
"Tufted, rhizomatous, perennial; culms branching, nodes and internodes glabrous. Leaves cauline; blades glabrous on both surfaces, margins scaberulous, bases cordate; sheaths conspicuously overlapping, glabrous, usually pilose apically; ligules membranous, ciliolate, less than 0.4 mm long; collars usually pilose. Spikes racemose; branches spreading, flexuous, angled, scaberulous. Spikelets in two rows on one side of rachis, 1-flowered, occasionally a rudiment present in G. amibguus, appressed; pedicels angled, scaberulous, absent or to 1.5 mm long. Glumes 1-nerved, margins usually scarious; paleas 2-nerved, margins usually scarious, acute; callus usually bearded; rachilla prolonged or capped by sterile floret. Grain reddish, linear-ellipsoid." - Radford et al 1964
"Culms 3-7 dm tall. Blades to 6 cm long, 2-8 mm wide; ligules occasionally ciliate, 2.5 mm long. Spikelets beyond middle of spike only, 2.5-4.5 mm long. Glumes 2.5-4.5 mm long; lemmas pubescent apically, body 2-2.3 mm long, dorsal awns 1-3.5 mm long; paleas 2.2-3 mm long. Grain 1.8-2 mm long." - Radford et al 1964
Distribution
Ecology
Habitat
This species has been observed to grow in open pine woods along the edges of depression ponds, longleaf pine-oak-wiregrass sandhill communities, sparsely wooded ecotone borders of limestone glades, longleaf pine-turkey oak flats and sand ridges, xeric sand pine scrub, upland pine oak woodlands, and clearings within mixed woodland forests. This plant has been seen growing in open and partial shaded environments in dry, loamy, and loose sands asd well as moist sandy clay loam (FSU Herbarium). Also growing in disturbed areas, G. ambiguus has been observed in powerline corridors, along trails, on pine plantations, and on open fields Cite error: Closing </ref> missing for <ref> tag
Fire ecology
It occurs on annually burned pine plantations (FSU Herbarium).
Use by animals
Comprised deer diets more in the summer than in the winter.[1]
Conservation and Management
Cultivation and restoration
Photo Gallery
References and notes
Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2014. Collectors: Loran C. Anderson, Wilson Baker, Robert K. Godfrey, James R. Burkhalter, Angus Gholson, Richard D. Houk, Robert Kral, Andre F. Clewell, D. L. Martin, S. T. Cooper, Sidney McDaniel, R.A. Norris, D. C. Hunt, R. Komarek, and J.M. Kane. States and Counties: Florida: Gadsden, Jackson, Jefferson, Lafayette, Leon, Madison, Marion, Nassau, Putnam, Santa Rosa, and Wakulla. Georgia: Grady and Thomas.
Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 118. Print.
- ↑ Thill, R. E. (1983). Deer and cattle forage selection on Louisiana pine-hardwood sites. New Orleans, LA, USDA Forest Service.
