Difference between revisions of "Licania michauxii"
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| − | Common name: | + | Common name: Gopher apple, Ground oak<ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref> |
==Taxonomic notes== | ==Taxonomic notes== | ||
| − | This species was named for the French botanist Andre Michaux, who discovered this plant in the late | + | Synonyms: ''Chrysobalanus oblongifolius'' Michaux; ''Geobalanus oblongifolius'' (Michaux) Small; ''Geobalanus pallidus'' Small.<ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref> |
| + | |||
| + | Varieties: none.<ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref> | ||
| + | |||
| + | This species was named for the French botanist Andre Michaux, who discovered this plant in the late 1700's.<ref name="eat"/> | ||
==Description== | ==Description== | ||
<!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. --> | <!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. --> | ||
| − | '' | + | ''Licania michauxii'' is a perennial, woody groundcover species, with mature stems only reaching 20 centimeters above the ground.<ref name=gh08/> The leathery, long, dark green leaves make this species resemble an oak seedling.<ref name="eat">[[http://www.eattheweeds.com/gopher-apples-not-just-for-tortoises-anymore/]] Eat the Weeds. Accessed: January 19, 2016</ref> It is often found in thickets on poor, dry, sandy soils<ref name="dave">[[http://davesgarden.com/guides/articles/view/3237#band]]Dave's Garden. Accessed: January 19, 2016</ref> and easily spread by rhizomes that grow 1 to 10 centimeters below the soil (Bell and Taylor 1982, Taylor 1992). The flowers of ''L. michauxii'' are small, yellow, and clustered in triangular-shaped terminal cymes.<ref name="floridata">[[http://mobile.floridata.com/Plants/Chrysobalanaceae/Licania%20michauxii/1057]] Floridata. Accessed: January 19, 2016</ref> |
| + | |||
| + | "Low shrub to ca. 4 dm tall, with an extensive underground stem system. The stems above ground very slender, rarely more than 5 mm in diam. While the underground stems frequently measure as much as 5 cm in diam. Leaves simple, alternate, evergreen, oblanceolate, 4-10 cm long, 1.3-5 cm wide, finely undulate, entire, glabrous, and lustrous; stipules very small. Inflorescence a terminal panicle of cymes. Hypanthium and sepals are pubescent. Sepals 1-1.5 mm long; petals white, 1.5-2.5 cm long, densely pubescent; stamens 10-15; style 1. Drupe ellipsoid, 2-3 cm long."<ref name=r> 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. 569. Print.</ref> | ||
| + | |||
| + | ''Licania michauxii'' does not have specialized underground storage units apart from its rhizomes.<ref name="Diaz"> Diaz-Toribio, M.H. and F. E. Putz 2021. Underground carbohydrate stores and storage organs in fire-maintained longleaf pine savannas in Florida, USA. American Journal of Botany 108: 432-442.</ref> Diaz-Toribio and Putz (2021) recorded this species to have an non-structural carbohydrate concentration of 59.7 mg/g (ranking 69 out of 100 species studied) and water content of 62.6% (ranking 70 out of 100 species studied).<ref name="Diaz"/> | ||
| + | |||
| + | According to Diaz-Torbio and Putz (2021), ''Licania michauxii'' has rhizomes with a below-ground to above-ground biomass ratio of 0.733 and nonstructural carbohydrate concentration of 59.7 mg g<sup>-1</sup>.<ref>Diaz‐Toribio, M. H. and F. E. Putz. 2021. Underground carbohydrate stores and storage organs in fire‐maintained longleaf pine savannas in Florida, USA. American Journal of Botany 108(3):432-442.</ref> | ||
==Distribution== | ==Distribution== | ||
| − | + | ''L. michauxii'' ranges from southeast South Carolina to southern Florida, and west to Louisianna.<ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref> The Monroe County population is disjunct from the Miami-Dade County to the pine rocklands of Big Pine Key.<ref name="regional">[[http://regionalconservation.org/beta/nfyn/plantdetail.asp?tx=Licamich]] Accessed: January 19, 2016</ref> | |
==Ecology== | ==Ecology== | ||
===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.--> | ||
| − | Habitats of ''L. michauxii'' include pine-palmetto woods; dry pine barrens; sandhills; scrub above wetland depression; shrubby | + | Habitats of ''L. michauxii'' include pine-palmetto woods; dry pine barrens; sandhills; scrub above wetland depression; shrubby borders of depression marshes; and wooded slopes of ravines. It has been found in disturbed sites such as cutover flatwoods and dirt roads and is a good soil stabilizer.<ref name="dave"/> Associated species include ''Pinus palustris, Quercus laevis, Aristida stricta, Rhynchosia, Bumelia tenax, Juniperus silicicola, Myrica cerifera, Pinus clausa, Quercus geminata, Sabal palmetto'' and ''Chrysoma''. Soils include those of Astatula (Typic Quartzipsamments) and Paola (Spodic Quartzipsamments) types.<ref name="FSU Herbarium"/> |
| − | In dense patches of ''L. michauxii'' hogs selectively forage and destroy lichens in large quantities | + | In dense patches of ''L. michauxii'' hogs selectively forage and destroy lichens in large quantities.<ref name=hm> Hawkes, C. V. and E. S. Menges (2003). "Effects of Lichens on Seedling Emergence in a Xeric Florida Shrubland." Southeastern Naturalist 2(2): 223-234.</ref> |
| + | |||
| + | ''L. michauxii'' was found to reduce its frequency and density in response to soil disturbance by roller chopping in northwest Florida sandhills.<ref name = hebb/> It also decreased its cover in response to clearcutting and chopping in north Florida flatwoods.<ref name = moore/> It has shown resistance to regrowth in reestablished native habitats that were disturbed by these practices.<ref name = hebb>Hebb, E.A. (1971). Site Preparation Decreases Game Food Plants in Florida Sandhills.</ref><ref name = moore>Moore, W.H., B.F. Swindel, and W.S. Terry. (1982). Vegetative Response to Clearcutting and Chopping in a North Florida Flatwoods Forest. Journal of Range Management 35(2):214-218.</ref> | ||
| + | |||
| + | ''Licania michauxii'' is an indicator species for the Panhandle Xeric Sandhills community type as described in Carr et al. (2010).<ref>Carr, S.C., K.M. Robertson, and R.K. Peet. 2010. A vegetation classification of fire-dependent pinelands of Florida. Castanea 75:153-189.</ref> | ||
===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/ --> | ||
| − | Flowers | + | Flowers in January, April through August with peak inflorescence in May and June<ref>Nelson, G. [http://www.gilnelson.com/ PanFlora]: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 19 MAY 2021</ref>. It then fruits June through October.<ref name="FSU Herbarium">Florida State University Robert K. Godfrey Herbarium database. URL: [http://herbarium.bio.fsu.edu http://herbarium.bio.fsu.edu]. Last accessed: Collectors: States and Counties: Compiled by Tall Timbers Research Station and Land Conservancy.</ref> The fruit is an elliptical drupe and is edible |
===Seed dispersal=== | ===Seed dispersal=== | ||
| − | ===Seed bank and germination=== | + | This species is thought to be dispersed by consumption by vertebrates.<ref>Kirkman, L. Katherine. Unpublished database of seed dispersal mode of plants found in Coastal Plain longleaf pine-grasslands of the Jones Ecological Research Center, Georgia.</ref> |
| + | <!--===Seed bank and germination===--> | ||
| + | |||
===Fire ecology=== <!--Fire tolerance, fire dependence, adaptive fire responses--> | ===Fire ecology=== <!--Fire tolerance, fire dependence, adaptive fire responses--> | ||
| − | This species is found in habitats that experience fire annually or long intervals. Ward and Taylor (1999) found a stand of ''L. michauxii'' that consists of many tree-form plants that reach over a meter tall. This stand found on Merritt Island on a narrow strip of land between Mosquito Lagoon | + | This species is found in habitats that experience fire annually or in long intervals. Ward and Taylor (1999) found a stand of ''L. michauxii'' that consists of many tree-form plants that reach over a meter tall.<ref name=ward> Ward, D. B. and W. K. Taylor (1999). "Discovery of Tree-Form Gopher Apple (Licania michauxii), with Implication of an Arboreous Ancestor." Castanea 64(3): 263-265.</ref> This stand is found on Merritt Island on a narrow strip of land between Mosquito Lagoon to the east and the Indian River to the west and bounded by a dredge canal to the north. These surrounding features protect this stand from any naturally occurring wildfires and records show no historical fires in this area. |
| + | <!--===Pollination===--> | ||
| − | === | + | ===Herbivory and toxicology=== |
| − | The | + | The fruit is eaten by gopher tortoises, raccoons, opossums, and foxes.<ref name="sharon">[[http://www.sharonsflorida.com/gopher-apple.htm]] Sharon's Florida. Accessed: January 19, 2016</ref> |
| − | Apidae | + | The following Hymenoptera species were observed visiting flowers of ''Licania michauxii'' at the Archbold Biological Station: bees from the family Apidae such as ''Apis mellifera, Epeolus glabratus'' and ''E. zonatus'', plasterer bees from the family Colletidae such as ''Colletes'' sp. ''A'', sweat bees from the family Halictidae such as ''Agapostemon splendens, Augochlorella aurata, Augochloropsis metallica, A. sumptuosa, Lasioglossum nymphalis'' and ''Sphecodes heraclei'', wasps from the family Leucospididae such as ''Leucospis robertsoni'' and ''L. slossonae'', leafcutting bees from the family Megachilidae such as ''Megachile brevis pseudobrevis'' and ''M. rugifrons'', spider wasps from the family Pompilidae such as ''Anoplius relativus'' and ''Paracyphonyx funereus'', thread-waisted wasps from the family Sphecidae such as ''Ammophila urnaria, Bembecinus nanus floridanus, Bembix sayi, Bicyrtes quadrifasciata, Cerceris blakei, C. flavofasciata floridensis, C. fumipennis, Microbembex monodonta'' and ''Stictiella serrata'', and wasps from the family Vespidae such as ''Euodynerus castigatus rubrivestris, Pachodynerus erynnis, Parancistrocerus salcularis rufulus'' and ''Stenodynerus fundatiformis''.<ref name="Deyrup 2015">Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.</ref> |
| − | |||
| − | Colletidae | ||
| − | |||
| − | Halictidae | ||
| − | |||
| − | Leucospididae | ||
| − | |||
| − | Megachilidae | ||
| − | |||
| − | Pompilidae | ||
| − | |||
| − | Sphecidae | ||
| − | |||
| − | Vespidae | ||
| − | |||
| − | |||
| − | |||
===Diseases and parasites=== | ===Diseases and parasites=== | ||
| − | Galls made by ''Lopesia'' can be found on the subterranean stems of the gopher apple ( | + | Galls made by ''Lopesia'' can be found on the subterranean stems of the gopher apple.<ref name=gh08> Gagné, Raymond J., and Kenneth L. Hibbard. “A New Species of Cecidomyia (diptera: Cecidomyiidae) Feeding on Resin of Baldcypress”. The Florida Entomologist 91.3 (2008): 431–435.</ref> |
| − | ==Conservation | + | ==Conservation, cultivation, and restoration== |
| − | + | This species tolerates a wide range of soil pH<ref name="iflas">[[https://edis.ifas.ufl.edu/fp342]] University of Florida Extension. Accessed: January 19, 2016</ref> but does not tolerate long term flooding by salt or brackish water.<ref name="regional"/> It is extremely difficult to transplant.<ref name="sharon"/> | |
| − | This species tolerates a wide range of soil pH <ref name="iflas">[[https://edis.ifas.ufl.edu/fp342]] University of Florida Extension. Accessed: January 19, 2016</ref> but does not tolerate long term flooding by salt or brackish water <ref name="regional"/> | + | ==Cultural use== |
| + | The Gopher Apple is being studied for cancer fighting properties.<ref>Radford, A.E., H.E. Ahles, and C.R. Bell. 1968. Manual of the Vascular Flora of Carolinas. The University of North Carolina Press, Chapel Hill, NC. 1183 pp.</ref><ref>Denhof, Carol. 2011. Understory Plant Spotlight Gopher Apple Licania michauxii Prance. The Longleaf Leader. Vol. IV. Iss. 4. Page 7</ref> | ||
==Photo Gallery== | ==Photo Gallery== | ||
| + | <gallery widths=180px> | ||
| + | </gallery> | ||
==References and notes== | ==References and notes== | ||
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Latest revision as of 09:07, 3 July 2024
| Licania michauxii | |
|---|---|
| |
| Photo taken by Gil Nelson | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta - Flowering plants |
| Class: | Magnoliopsida – Dicotyledons |
| Order: | Rosales |
| Family: | Chrysobalanaceae |
| Genus: | Licania |
| Species: | L. michauxii |
| Binomial name | |
| Licania michauxii Prance | |
| |
| Natural range of Licania michauxii from USDA NRCS Plants Database. | |
Common name: Gopher apple, Ground oak[1]
Contents
Taxonomic notes
Synonyms: Chrysobalanus oblongifolius Michaux; Geobalanus oblongifolius (Michaux) Small; Geobalanus pallidus Small.[1]
Varieties: none.[1]
This species was named for the French botanist Andre Michaux, who discovered this plant in the late 1700's.[2]
Description
Licania michauxii is a perennial, woody groundcover species, with mature stems only reaching 20 centimeters above the ground.[3] The leathery, long, dark green leaves make this species resemble an oak seedling.[2] It is often found in thickets on poor, dry, sandy soils[4] and easily spread by rhizomes that grow 1 to 10 centimeters below the soil (Bell and Taylor 1982, Taylor 1992). The flowers of L. michauxii are small, yellow, and clustered in triangular-shaped terminal cymes.[5]
"Low shrub to ca. 4 dm tall, with an extensive underground stem system. The stems above ground very slender, rarely more than 5 mm in diam. While the underground stems frequently measure as much as 5 cm in diam. Leaves simple, alternate, evergreen, oblanceolate, 4-10 cm long, 1.3-5 cm wide, finely undulate, entire, glabrous, and lustrous; stipules very small. Inflorescence a terminal panicle of cymes. Hypanthium and sepals are pubescent. Sepals 1-1.5 mm long; petals white, 1.5-2.5 cm long, densely pubescent; stamens 10-15; style 1. Drupe ellipsoid, 2-3 cm long."[6]
Licania michauxii does not have specialized underground storage units apart from its rhizomes.[7] Diaz-Toribio and Putz (2021) recorded this species to have an non-structural carbohydrate concentration of 59.7 mg/g (ranking 69 out of 100 species studied) and water content of 62.6% (ranking 70 out of 100 species studied).[7]
According to Diaz-Torbio and Putz (2021), Licania michauxii has rhizomes with a below-ground to above-ground biomass ratio of 0.733 and nonstructural carbohydrate concentration of 59.7 mg g-1.[8]
Distribution
L. michauxii ranges from southeast South Carolina to southern Florida, and west to Louisianna.[1] The Monroe County population is disjunct from the Miami-Dade County to the pine rocklands of Big Pine Key.[9]
Ecology
Habitat
Habitats of L. michauxii include pine-palmetto woods; dry pine barrens; sandhills; scrub above wetland depression; shrubby borders of depression marshes; and wooded slopes of ravines. It has been found in disturbed sites such as cutover flatwoods and dirt roads and is a good soil stabilizer.[4] Associated species include Pinus palustris, Quercus laevis, Aristida stricta, Rhynchosia, Bumelia tenax, Juniperus silicicola, Myrica cerifera, Pinus clausa, Quercus geminata, Sabal palmetto and Chrysoma. Soils include those of Astatula (Typic Quartzipsamments) and Paola (Spodic Quartzipsamments) types.[10]
In dense patches of L. michauxii hogs selectively forage and destroy lichens in large quantities.[11]
L. michauxii was found to reduce its frequency and density in response to soil disturbance by roller chopping in northwest Florida sandhills.[12] It also decreased its cover in response to clearcutting and chopping in north Florida flatwoods.[13] It has shown resistance to regrowth in reestablished native habitats that were disturbed by these practices.[12][13]
Licania michauxii is an indicator species for the Panhandle Xeric Sandhills community type as described in Carr et al. (2010).[14]
Phenology
Flowers in January, April through August with peak inflorescence in May and June[15]. It then fruits June through October.[10] The fruit is an elliptical drupe and is edible
Seed dispersal
This species is thought to be dispersed by consumption by vertebrates.[16]
Fire ecology
This species is found in habitats that experience fire annually or in long intervals. Ward and Taylor (1999) found a stand of L. michauxii that consists of many tree-form plants that reach over a meter tall.[17] This stand is found on Merritt Island on a narrow strip of land between Mosquito Lagoon to the east and the Indian River to the west and bounded by a dredge canal to the north. These surrounding features protect this stand from any naturally occurring wildfires and records show no historical fires in this area.
Herbivory and toxicology
The fruit is eaten by gopher tortoises, raccoons, opossums, and foxes.[18]
The following Hymenoptera species were observed visiting flowers of Licania michauxii at the Archbold Biological Station: bees from the family Apidae such as Apis mellifera, Epeolus glabratus and E. zonatus, plasterer bees from the family Colletidae such as Colletes sp. A, sweat bees from the family Halictidae such as Agapostemon splendens, Augochlorella aurata, Augochloropsis metallica, A. sumptuosa, Lasioglossum nymphalis and Sphecodes heraclei, wasps from the family Leucospididae such as Leucospis robertsoni and L. slossonae, leafcutting bees from the family Megachilidae such as Megachile brevis pseudobrevis and M. rugifrons, spider wasps from the family Pompilidae such as Anoplius relativus and Paracyphonyx funereus, thread-waisted wasps from the family Sphecidae such as Ammophila urnaria, Bembecinus nanus floridanus, Bembix sayi, Bicyrtes quadrifasciata, Cerceris blakei, C. flavofasciata floridensis, C. fumipennis, Microbembex monodonta and Stictiella serrata, and wasps from the family Vespidae such as Euodynerus castigatus rubrivestris, Pachodynerus erynnis, Parancistrocerus salcularis rufulus and Stenodynerus fundatiformis.[19]
Diseases and parasites
Galls made by Lopesia can be found on the subterranean stems of the gopher apple.[3]
Conservation, cultivation, and restoration
This species tolerates a wide range of soil pH[20] but does not tolerate long term flooding by salt or brackish water.[9] It is extremely difficult to transplant.[18]
Cultural use
The Gopher Apple is being studied for cancer fighting properties.[21][22]
Photo Gallery
References and notes
- ↑ 1.0 1.1 1.2 1.3 Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
- ↑ 2.0 2.1 [[1]] Eat the Weeds. Accessed: January 19, 2016
- ↑ 3.0 3.1 Gagné, Raymond J., and Kenneth L. Hibbard. “A New Species of Cecidomyia (diptera: Cecidomyiidae) Feeding on Resin of Baldcypress”. The Florida Entomologist 91.3 (2008): 431–435.
- ↑ 4.0 4.1 [[2]]Dave's Garden. Accessed: January 19, 2016
- ↑ [[3]] Floridata. Accessed: January 19, 2016
- ↑ 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. 569. Print.
- ↑ 7.0 7.1 Diaz-Toribio, M.H. and F. E. Putz 2021. Underground carbohydrate stores and storage organs in fire-maintained longleaf pine savannas in Florida, USA. American Journal of Botany 108: 432-442.
- ↑ Diaz‐Toribio, M. H. and F. E. Putz. 2021. Underground carbohydrate stores and storage organs in fire‐maintained longleaf pine savannas in Florida, USA. American Journal of Botany 108(3):432-442.
- ↑ 9.0 9.1 [[4]] Accessed: January 19, 2016
- ↑ 10.0 10.1 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: Collectors: States and Counties: Compiled by Tall Timbers Research Station and Land Conservancy.
- ↑ Hawkes, C. V. and E. S. Menges (2003). "Effects of Lichens on Seedling Emergence in a Xeric Florida Shrubland." Southeastern Naturalist 2(2): 223-234.
- ↑ 12.0 12.1 Hebb, E.A. (1971). Site Preparation Decreases Game Food Plants in Florida Sandhills.
- ↑ 13.0 13.1 Moore, W.H., B.F. Swindel, and W.S. Terry. (1982). Vegetative Response to Clearcutting and Chopping in a North Florida Flatwoods Forest. Journal of Range Management 35(2):214-218.
- ↑ Carr, S.C., K.M. Robertson, and R.K. Peet. 2010. A vegetation classification of fire-dependent pinelands of Florida. Castanea 75:153-189.
- ↑ Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 19 MAY 2021
- ↑ Kirkman, L. Katherine. Unpublished database of seed dispersal mode of plants found in Coastal Plain longleaf pine-grasslands of the Jones Ecological Research Center, Georgia.
- ↑ Ward, D. B. and W. K. Taylor (1999). "Discovery of Tree-Form Gopher Apple (Licania michauxii), with Implication of an Arboreous Ancestor." Castanea 64(3): 263-265.
- ↑ 18.0 18.1 [[5]] Sharon's Florida. Accessed: January 19, 2016
- ↑ Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.
- ↑ [[6]] University of Florida Extension. Accessed: January 19, 2016
- ↑ Radford, A.E., H.E. Ahles, and C.R. Bell. 1968. Manual of the Vascular Flora of Carolinas. The University of North Carolina Press, Chapel Hill, NC. 1183 pp.
- ↑ Denhof, Carol. 2011. Understory Plant Spotlight Gopher Apple Licania michauxii Prance. The Longleaf Leader. Vol. IV. Iss. 4. Page 7
