The City of Titusville, Florida / Water Resources / Water Production / Dicerandra thinicola - Titusville MintDicerandra thinicola - Titusville Mint
Florida endangered plant, Dicerandra thinicola Miller
Dicerandra thinicola Miller (common name: Titusville Mint or Titusville Balm) is an endangered, native plant species. Dicerandra thinicola is Brevard County’s only endemic plant species; this plant species is restricted to Brevard County and grows no where else on Earth. Dicerandra thinicola grows in remnant sandy scrub habitat, along the Atlantic Coastal ridge, in a narrow, approximately 13-‐mile range, between the Titusville wellfield III (between State Road 405 and State Road 50) to Mims, Florida.
Endangered Status and Response to Fire Notes
Suzanne Kennedy1 and Eric S. Menges2, May 2016
Suzanne Kennedy1 and Dr. Eric Menges2 (plant ecologists), collaboratively have been studying Dicerandra thinicola population demography, seed augmentations, and seed re-‐introductions in the Titusville wellfield III and the Dicerandra Scrub Sanctuary (Environmentally Endangered Lands -‐ managed) since 2001 (15 years) and have a City of Titusville Permit for on-‐going research before and following the proposed wellfield fire. We are collaborating with the City of Titusville, Florida Forest Service, and the Brevard County EEL Program. Our research, data analyses, and observations demonstrate:
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- Following fire, Dicerandra thinicola has increased seedling recruitment (from its dormant seed buried in the soil)
- Post‐fire,Dicerandra thinicola plants grow faster, flower earlier, and produce more abundant flowers
- Dicerandra thinicola growing in areas that have not had fire in decades suffer higher mortality
- In long-‐unburned areas, few Dicerandra thinicola seedlings are able to grow into flowering adults
- Dicerandra thinicola plants in open areas, such as those recently burned, appear to receive more visits from pollinators
- These patterns are similar to other species in the genus Dicerandra, where land-‐ management fires have been shown to increase plant population health.