Habenaria quinqueseta

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Habenaria quinqueseta
Habenaria quinqueseta Gil.jpg
Photo was taken by Gil Nelson
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida – Monocotyledons
Order: Orchidales
Family: Orchidaceae
Genus: Habenaria
Species: H. quinqueseta
Binomial name
Habenaria quinqueseta
(Michx.) Eaton
HABE QUIN dist.jpg
Natural range of Habenaria quinqueseta from USDA NRCS Plants Database.

Common names: Longhorn bog orchid; Long-horned habenaria; Michaux’s orchid; Longhorn false reinorchid

Taxonomic notes

Synonym: Habenaria quinqueseta var. quinqueseta

Description

A description of Habenaria quinqueseta is provided in The Flora of North America.

Habenaria quinqueseta is a perennial herbaceous species. It reaches heights of about 27 inches with white flowers.[1]

Distribution

Habenaria quinqueseta is distributed along the southeastern coastal plain, from South Carolina south to southern Florida and west to southeastern Texas.[2]

Ecology

Habitat

H. quinqueseta is generally found in moist hardwood hammocks, wet pine flatwoods, ditches, and Altamaha Grit outcrops.[2] It has been observed in moist to dry loamy or sandy soils of longleaf pine savannas and open mixed woodlands.[3] As well, it can be found along roadsides, and in swamps, meadows, and dry to wet mixed flatwoods.[4] It is listed by the USDA Natural Resources Conservation Service as a facultative wetland species that most often occurs in wetland habitats but can also occasionally be found in non-wetland habitats.[5] It has been shown to decrease in frequency with clearcutting the overstory.[6] This species is also considered an indicator species of the north Florida longleaf woodlands habitat.[7]

Associated species include Pinus, Quercus, Magnolia, Cornus, Liquidambar styraciflua, Vaccinium, Pinus taeda, and Quercus nigra.[3]

Habenaria quinqueseta is an indicator species for the North Florida Longleaf Woodlands community type as described in Carr et al. (2010).[8]

Phenology

This species generally flowers between August and October.[2] It has been observed flowering and fruiting in September and October.[3][9]

Seed dispersal

This species is thought to be dispersed by gravity. [10]

Fire ecology

It commonly grows in habitats that are fire-dependent.[7]

Conservation and management

It is listed on the global status as G4 due to this species being critically imperiled in Texas, Louisiana, Georgia, and South Carolina.[4]

Cultivation and restoration

Photo Gallery

References and notes

  1. [[1]] Lady Bird Johnson Wildflower Center. Accessed: May 17, 2019
  2. 2.0 2.1 2.2 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  3. 3.0 3.1 3.2 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2014. Collectors: Loran C. Anderson, R. Kral, U. Reis, Richard R. Clinebell II, Leon Neel, and Paul C. Standley. States and Counties: Florida: Leon. Georgia: Dougherty and Thomas. Country: Honduras
  4. 4.0 4.1 [[2]] NatureServe Explorer. Accessed: May 17, 2019
  5. USDA, NRCS. (2016). The PLANTS Database (http://plants.usda.gov, 17 May 2019). National Plant Data Team, Greensboro, NC 27401-4901 USA.
  6. Brockway, D. G. and C. E. Lewis (2003). "Influence of deer, cattle grazing and timber harvest on plant species diversity in a longleaf pine bluestem ecosystem." Forest Ecology and Management 175: 49-69.
  7. 7.0 7.1 Carr, S. C., et al. (2010). "A Vegetation Classification of Fire-Dependent Pinelands of Florida." Castanea 75(2): 153-189.
  8. Carr, S.C., K.M. Robertson, and R.K. Peet. 2010. A vegetation classification of fire-dependent pinelands of Florida. Castanea 75:153-189.
  9. 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: 17 MAY 2019
  10. 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.