Print Report

CEGL008470 Kalmia latifolia - Gaylussacia (baccata, brachycera) Cumberland Shrubland

Type Concept Sentence: No Data Available


Common (Translated Scientific) Name: Mountain Laurel - (Black Huckleberry, Box Huckleberry) Cumberland Shrubland

Colloquial Name: Cumberland Sandstone Glade Heath Shrubland

Hierarchy Level:  Association

Type Concept: This sandstone glade-related heath shrub-dominated community occurs on sandstone bedrock exposures in the Cumberlands of Kentucky and Virginia (and possibly adjacent Tennessee) at moderate elevations. The vegetation at these sites is low in stature. The tallest shrub is Vaccinium arboreum and it seldom is over 2 m in height. Scrubby trees, usually Quercus coccinea and Quercus falcata (and/or sometimes Quercus velutina, Quercus marilandica, or Quercus stellata), as well as Pinus rigida, Pinus virginiana are seldom are over 3 m. The tree species are dispersed on the landscape with small crowns and little cover. The dominant shrubs are Kalmia latifolia (low to the ground, around 0.6 m or less high), Gaylussacia baccata and/or Vaccinium pallidum. On many, but not all sites, Gaylussacia brachycera is the most dominant low-shrub species. Sometimes Vaccinium stamineum occurs as well. In the most open areas, Epigaea repens, Gaultheria procumbens, Danthonia spicata, Cladonia spp., and in moist pockets, Dicranum scoparium are often dominant. Occasionally Croton michauxii var. ellipticus and Phemeranthus teretifolius occur in the open (nearly rock, thin soil, no shrub) areas. These areas grade into oak-pine or pine-oak woodland with an ericaceous shrub layer (Kalmia latifolia, Vaccinium arboreum, Vaccinium stamineum, Vaccinium pallidum, Gaylussacia baccata, Gaylussacia brachycera). Here the Kalmia is 1-2 m high and the sites are somewhat difficult to traverse. These woodlands in turn grade into oak-pine or pine/oak forest, either with a Kalmia / Vaccinium / Gaylussacia layer or more or less leaf litter. This community lacks many of the characteristic southern Appalachian species found in Appalachian heath balds such as Rhododendron carolinianum, Rhododendron catawbiense, Rhododendron calendulaceum, Eubotrys recurva, Pieris floribunda, and Leiophyllum buxifolium. This association also lacks species of northern affinity (e.g., Ilex mucronata, Vaccinium angustifolium, Lycopodium annotinum, Carex polymorpha, and Oryzopsis asperifolia), which are found in related vegetation of the Central Appalachians which is dominated by Kalmia latifolia and Gaylussacia baccata.

Diagnostic Characteristics: No Data Available

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: No Data Available

Similar NVC Types: No Data Available
note: No Data Available

Physiognomy and Structure: No Data Available

Floristics: The vegetation is low in stature. The tallest shrub is Vaccinium arboreum and it seldom is over 2 m in height. Scrubby trees, usually Quercus coccinea and Quercus falcata (and/or sometimes Quercus velutina, Quercus marilandica, or Quercus stellata), as well as Pinus rigida, Pinus virginiana are seldom are over 3 m. The tree species are dispersed on the landscape with small crowns and little cover. The dominant shrubs are Kalmia latifolia (low to the ground, around 0.6 m or less high), Gaylussacia baccata, and/or Vaccinium pallidum. On many, but not all sites, Gaylussacia brachycera is the most dominant low-shrub species. Sometimes Vaccinium stamineum occurs as well. In the most open areas, Epigaea repens, Gaultheria procumbens, Danthonia spicata, Cladonia spp., and in moist pockets, Dicranum scoparium are often dominant. Occasionally Croton michauxii var. ellipticus (= Crotonopsis elliptica) and Phemeranthus teretifolius (= Talinum teretifolium) occur in the open (nearly rock, thin soil, no shrub) areas. These areas grade into oak-pine or pine-oak woodland with an ericaceous shrub layer (Kalmia latifolia, Vaccinium arboreum, Vaccinium stamineum, Vaccinium pallidum, Gaylussacia baccata, Gaylussacia brachycera). Here the Kalmia is 1-2 m high and the sites are somewhat difficult to traverse. These woodlands in turn grade into oak-pine or pine/oak forest, either with a Kalmia / Vaccinium / Gaylussacia layer or more or less leaf litter. This community lacks many of the characteristic Southern Appalachian species found in Appalachian heath balds such as Rhododendron carolinianum, Rhododendron catawbiense, Rhododendron calendulaceum, Eubotrys recurva (= Leucothoe recurva), Pieris floribunda, and Leiophyllum buxifolium. This association also lacks species of northern affinity (e.g., Ilex mucronata (= Nemopanthus mucronatus), Vaccinium angustifolium, Lycopodium annotinum, Carex polymorpha, and Oryzopsis asperifolia), which are found in related vegetation of the Central Appalachians which is dominated by Kalmia latifolia and Gaylussacia baccata.

Dynamics:  No Data Available

Environmental Description:  This sandstone glade heath shrubland occurs on acidic bedrock exposures in the Cumberlands of eastern Kentucky, western Virginia, and possibly adjacent Tennessee.

Geographic Range: This sandstone glade heath shrubland occurs in the Cumberlands of Kentucky and Virginia, and adjacent Tennessee.

Nations: US

States/Provinces:  KY, TN, VA




Confidence Level: Low

Confidence Level Comments: No Data Available

Grank: G3

Greasons: No Data Available


Concept Lineage: merged

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available

Synonomy: >< Gaylussacia baccata Community (Perkins 1981)
>< Kalmia latifolia Community (Perkins 1981)
< Sandstone Rock Outcrop (Schmalzer and DeSelm 1982)

Concept Author(s): M. Pyne, M. Evans and J. Campbell

Author of Description: M. Pyne, M. Evans, J. Campbell, C.W. Nordman

Acknowledgements: No Data Available

Version Date: 10-04-04

  • Perkins, B. E. 1981. Vegetation of sandstone outcrops of the Cumberland Plateau. M.S. thesis, University of Tennessee, Knoxville. xi plus 121 pp.
  • Schmalzer, P. A., and H. R. DeSelm. 1982. Vegetation, endangered and threatened plants, critical plant habitats and vascular flora of the Obed Wild and Scenic River. Unpublished report. USDI National Park Service, Obed Wild and Scenic River. 2 volumes. 369 pp.
  • Southeastern Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Durham, NC.
  • White, R. D., Jr. 2006. Vascular plant inventory and ecological community classification for Cumberland Gap National Historical Park. NatureServe, Durham, NC. 246 pp.