CPC Plant Profile: Long-stalk Holly
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Plant Profile

Long-stalk Holly (Ilex collina)

This shrub can grow 3 to 4 meters tall, and produces vibrant red-orange berries. Photo Credit: Rob Nicholson
Description
  • Global Rank: G3 - Vulnerable
  • Legal Status: N/A
  • Family: Aquifoliaceae
  • State: GA, NC, TN, VA, WV
  • Nature Serve ID: 154417
  • Date Inducted in National Collection: 03/15/1986

Ilex collina, a long-stalked holly, is a deciduous shrub of great ornamental potential. It is a multi-stemmed shrub growing to 10 feet, with large berries that range in color from dark scarlet-red to orange and yellow (Strausbaugh and Core 1978, Gleason and Cronquist 1991). 

Participating Institutions
Updates
  • 10/06/2020
  • Propagation Research

Propagation from seed: 1 month of warm and 3 months of cold stratification (immature embryo) (Nicholson 1987). Propagation from softwood cuttings: difficult, in June, treat with 5,000 ppm K-IBA, under mist. Yields about 20% rooting rate.

Nature Serve Biotics
  • 05/02/2017

There are 37 recent sites in five states, occurring in a limited range of high-elevation streamside habitats. Total population size is estimated to be a few thousand individuals.

Irina Kadis
  • 01/01/2010

Habitat destruction and general urbanization.

Irina Kadis
  • 01/01/2010

Remaining sites and individual number is unknown.

Irina Kadis
  • 01/01/2010

Propagation from seed: 1 month of warm and 3 months of cold stratification (immature embryo) (Nicholson 1987). Propagation from softwood cuttings: difficult, in June, treat with 5,000 ppm K-IBA, under mist. Yields about 20% rooting rate.

Irina Kadis
  • 01/01/2010

No formalized management plan has been designed because this species is not listed as threatened or endangered.

Irina Kadis
  • 01/01/2010

There is urgent need for a taxonomic study of I. collina, as there is much doubt about its distinctiveness as a species (Bass 1984).

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Photos
Nomenclature
Taxon Ilex collina
Authority Alexander
Family Aquifoliaceae
CPC Number 2306
ITIS 27993
USDA ILCO2
Common Names Long-stalked Holly | Longstalk Holly
Associated Scientific Names Nemopanthus collinus | Ilex collina
Distribution This mid-Appalachian species has a very restricted range; it is known from Nicholas, Pocahontas, Randolph and Webster Counties in West Virginia (Nicholson 1987).
State Rank
State State Rank
Georgia S1
North Carolina S1
Tennessee S1
Virginia S2
West Virginia S2
Habitat

I. collina can be found growing on hills (Strausbaugh and Core 1978). Preferred habitats feature tall shrub thickets, hydric peat, and sandstone soils along bogs, ponds, hydric peat, and oligotrophic saturated wetlands throughout North Carolina, Virginia, and West Virginia (NatureServe 2016).

Ecological Relationships

Associated plant taxon to long-stalked holly include red maple trees, southern blue monkshood, upland bentgrass, chokeberry species, yellow birch trees, black birch trees, bearded shorthusk, bluejoint, threeseeded sedge, spotted water hemlock, yellow blue-bead lily, eastern hayscented fern, bog willowherb, American beech trees, bluntleaf bedstraw, melic mannagrass, witch hazel, mountain holly, mountain laurel shrubs, gray’s lily, tuliptrees, American honeysuckle, Canada mayflower, cinnamon fern, red spruce, eastern white pine, common ninebark, northern red oak trees, smooth azalea, willow tree species, eastern swamp saxifrage, flat-top goldentop, king of the meadow herbs, eastern hemlock, native berry bushes, and withe-rod shrubs. (NatureServe 2016)
 

Pollinators
Common Name Name in Text Association Type Source InteractionID
Bees
Honey bees Honeybees Confirmed Pollinator Link
Flies
Flies Confirmed Pollinator Link

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