Halesia monticola

Halesia (tetraptera var.) monticola, or mountain silverbell, was originally included in H. carolina, but was identified first as a subspecies by Rehder in 1914, then as a species by Sargent in 1921. More recently, some authoritative sources regard it only as a subspecies or variety,[1] while other authoritative sources regard it as a species, as it is treated here.[2]

Mountain silverbell
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Styracaceae
Genus: Halesia
Species:
H. monticola
Binomial name
Halesia monticola
Synonyms
  • H. carolina var. monticola Rehder
  • H. carolina subsp. monticola (Rehder) A.E.Murray
  • H. tetraptera var. monticola (Rehder) Reveal & Seldin cf.[1]

Description

H. monticola is much larger than either the little silverbell or common silverbell (var. tetraptera), and is the largest member of the genus. It is known to grow 34 meters tall in the Great Smoky Mountains. Another important difference is that monticola has significantly larger flowers than either H. carolina or H. tetraptera.[3]

Range

The silverbell tree grows mostly in the southern Appalachian Mountains and into southern Alabama and Georgia, with small outlying populations up to and barely north of the Ohio River, and along the Oklahoma-Arkansas border. It is apparently absent from Mississippi and Louisiana.[4] In the cited reference, this species is referred to as Halesia carolina.

Cultivation

The mountain silverbell is cultivated in many places around the world. Although it may be difficult to transplant, once established it is easy to grow. It blooms while still quite small, only about 4 meters tall.[5]

References
  1. "Halesia tetraptera var. monticola (Rehder) Reveal & Seldin". The Plant List (2013). Version 1.1. Retrieved 16 September 2015.
  2. "International Plant Names Index: Halesia monticola". International Plant Names Index. Retrieved 2012-12-31.
  3. "Missouri Botanical Garden: Halesia monticola". Missouri Botanical Garden. Retrieved 2012-12-31.
  4. Little Jr., Elbert L. (1976). "Map 58, Halesia carolina". Atlas of United States Trees. 4 (Minor Eastern Hardwoods). US Government Printing Office. LCCN 79-653298. OCLC 3703736.
  5. "US Forest Service Fact Sheet ST-291" (PDF). United States Forest Service. Retrieved 2012-12-31.
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