Conoclinium coelestinum

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Conoclinium coelestinum
Conoclinium coelestinum Gil.jpg
photo by Gil Nelson
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida – Dicotyledons
Order: Asterales
Family: Asteraceae ⁄ Compositae
Genus: Conoclinium
Species: C. coelestinum
Binomial name
Conoclinium coelestinum
(L.) DC.
CONO COEL dist.jpg
Natural range of Conoclinium coelestinum from USDA NRCS Plants Database.

Common names: Blue mistflower; Ageratum

Taxonomic notes

Synonyms: Eupatorium coelestinum Linnaeus; Conoclinum coelestinum - mispelling.[1]

Varieties: none.[1]

Description

A description of Conoclinium coelestinum is provided in The Flora of North America.

Distribution

Distributed from New Jersey, west to Wisconsin and Kansas, and south to Texas and Florida.[2]

Ecology

Habitat

This species has been observed growing in dry woods, hammocks, along the edges of river banks, floodplains, and streams, slash pine-palmetto woodlands, and pine woodlands. It is also found in areas disturbed by humans such as roadsides, ditches, and clearings. Thriving in light from shade to full sun, this species grows in moist sands or drying loamy sands and has even been recorded to grow in water along edges of springs.[3] C. coelestinum became absent in response to military training in west Georgia. It has also shown resistance to regrowth in reestablished longleaf pine forests that were disturbed by military training.[4]

Associated species include oak, beech, cypress, slash pine, saw palmetto, sweetgum, Cyrilla, Pinus taeda, Pinus echinata, Quercus nigra, Trichostema dichotomum, Helianthus angustifolius, Agaratina aromatica, Solidago odora, S. nemoralis, Pityopsis aspera var. adenolepis, Sorghastrum nutans, Andropogon virginicus var. virginicus, Chamaecrista fasciculata, Chamaecrista nictitans, Eupatorium hyssopifolium, Liatris graminifolia, Rubus cuneifolius,[3] and Hibiscus grandiflorus[5]

Phenology

C. coelestinum has been observed flowering from June through January with peak inflorescence in October.[3][6] Spreads by long, underground rhizomes.[7]

Seed dispersal

Seeds are dispersed by wind.[2]

Fire ecology

This species can grow in areas that are regularly burned.[3]

Pollination and use by animals

Conoclinium coelestinum has been observed to host whiteflies such as Trialeurodes sp. (family Aleyrodidae), leafcutting bees such as Megachile mendica (family Megachilidae), plant bugs such as Lygus lineolaris (family Miridae), leafhoppers from the familly Cicadellidae such as Empoasca sp. and Scaphytopius sp., treehoppers from the family Membracidae such as Acutalis tartarea and Entylia carinata.[8] Caterpillars of the moths Haploa clymene, Phragmatobia lineata, Carmenta bassiformis, and Schinia trifascia eat on the foliage.[7] The bitter foliage defers mammalian herbivores.

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 [[1]]Floridata. Accessed: April 14, 2016
  3. 3.0 3.1 3.2 3.3 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2014. Collectors: Ed Keppner, Lisa Keppner, Loran C. Anderson, K. Craddock Burks, Gary R. Knight, Sidney McDaniel, Robert K. Godfrey, Richard S. Mitchell, Kurt E. Blum, J. P. Gillespie, R. Kral, C. Jackson, R. E. Perdue, Jr., James D. Ray, Jr., Olga Lakela, Gwynn W. Ramsey, Dale Samler, Ronald A. Gursell, P. L. Redfearn, Jr., Brenda Herring, Joyce Leiper, A. F. Clewell, W. G. D'Arcy, Robert L. Lazor, V. Sullivan, Bruce Hansen, JoAnn Hansen, D. C. Hunt, R. Komarek, Angela M. Reid, and K. M. Robertson. States and Counties: Florida: Bay, Brevard, Broward, Columbia, Dade, Escambia, Franklin, Gadsden, Hamilton, Holmes, Jackson, Jefferson, Leon, Levy, Liberty, Martin, Okaloosa, Sumter, Suwannee, Wakulla, and Washington. Georgia: Grady and Thomas.
  4. Dale, V.H., S.C. Beyeler, and B. Jackson. (2002). Understory vegetation indicators of anthropogenic disturbance in longleaf pine forests at Fort Benning, Georgia, USA. Ecological Indicators 1(3):155-170.
  5. Observation by Jake Antonia Heaton in Everglades National Park, Miami-Dade County, FL, June 12, 2016, posted to Florida Flora and Ecosystematics Facebook Group June 12, 2016.
  6. 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: 8 DEC 2016
  7. 7.0 7.1 [[2]]Illinois Wildflowers. Accessed: April 14, 2016
  8. Discoverlife.org [3]