Eryngium aromaticum

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Eryngium aromaticum
Eryn arom.jpg
Photo by Wayne Matchett, SpaceCoastWildflowers.com
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Order: Apiales
Family: Apiaceae ⁄ Umbelliferae
Genus: Eryngium
Species: E. aromaticum
Binomial name
Eryngium aromaticum
Baldw.
Eryn arom dist.jpg
Natural range of Eryngium aromaticum from USDA NRCS Plants Database.

Common name: Fragrant eryngo

Taxonomic notes

Synonyms: none.[1]

Varieties: none.[1]

Description

E. aromaticum is a low growing, perennial herb that can be found as a basal rosette of slightly spiny, deeply dissected leaves through out most of the year. It has a carrot like taproot.[2] Leaves are simple and alternate.[3]

According to Diaz-Torbio and Putz (2021), Eryngium aromaticum has taproots with a below-ground to above-ground biomass ratio of 1.6 and nonstructural carbohydrate concentration of 86.3 mg g-1.[4]

Distribution

It is found throughout the peninsula and panhandle of Florida, along with parts of eastern Georgia and southern Alabama.[2]

Ecology

Habitat

E. aromaticum has been found in loamy sand and peaty sand type habitats such as scrub, sand ridges, sandhills, flatwoods, open pinewoods, pine-oak woodland, and slash pine savannah. It is also found in disturbed areas including powerline corridors, disturbed slash pine forests, roadsides, and clear cut flatwood forests.[5]

E. aromaticum was found to increase in frequency in response to soil disturbance by clearcutting and chopping in north Florida flatwoods. It has shown regrowth in reestablished native flatwood habitat that was disturbed by these practices.[6] Associated species: Agalinis plukenetii, Liatris provincialis, Chrysopsis gossypina, C. linearifolia, Polygonella gracile, P. polygoma, P. fimbriata, Aristida stricta, Pinus clausa, Pinus palustris, Quercus virginiana, Quercus laevis, and Serenoa repens.[5]

Phenology

It produces thistle-shaped flowers arranged in umbels and achene fruit[3]. It has been observed flowering and fruiting from June through December. [5]


Pollination

Eryngium aromaticum is visited by sweat bees from the Halictidae family (Lasioglossum placidensis), thread-waisted wasps from the Sphecidae family (Tachysphex similis), and wasps from the Vespidae family (Stenodynerus fundatiformis).[7]

Herbivory and toxicology

Additionally, E. aromaticum is used as larval food by the Eastern black swallowtail butterfly[2].


Conservation, cultivation, and restoration

Cultural use

Photo Gallery

References and notes

  1. 1.0 1.1 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. 2.0 2.1 2.2 [Native Florida Wildflowers]Accessed: December 7, 2015
  3. 3.0 3.1 [Hortipedia]Accessed: December 7, 2015
  4. 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.
  5. 5.0 5.1 5.2 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: May 2021. Collectors: Loran C. Anderson, Tara Baridi, C.H. Beck, George R. Cooley, D.S. Correll, R.J. Eaton, Rex Ellis, William B. Fox, R.K. Godfrey, R. Kral, O. Lakela, Robert L. Lazor, Sidney McDaniel, Marc Minno, Paul O. Schallert, Cecil Slaughter, R.F. Thorne, and D.B. Ward. States and Counties: Florida: Baker, Brevard, Broward, Charlotte, Citrus, Clay, Collier, Duval, Franklin, Highlands, Lee, Martin, Nassau, Okeechobee, Osceola, Putnam, Seminole, St. Johns, and Taylor.
  6. 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.
  7. Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.