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Clethra acuminata Michaux. Common name: Mountain Sweet-pepperbush, Mountain White-alder. Phenology: Jul-Aug; Sep-Oct. Habitat: Moist forests, heath balds, streambanks, margins of rock outcrops at high elevations. Distribution: Endemic to the Southern and Central Appalachians, C. acuminata ranges from sw. PA south through e. WV, w. VA, e. TN, w. NC to nw. SC, n. GA, and ne. AL.

Origin/Endemic status: Endemic

Synonymy : = C, F, FNA8, G, K4, NS, Pa, POWO, RAB, S, S13, Tn, Va, W, Sleumer (1967b)

Links to other floras: = Clethra acuminata - FNA8

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Heliophily : 5

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Edwin Bridges | Original Image ⭷
image of plant© Alan Cressler: clethra acuminata, scaly mountain, nantahala national forest, macon county, north carolina 2 by Alan Cressler source | Original Image ⭷
image of plant© Grant Morrow Parkins | Original Image ⭷
image of plant© Edwin Bridges | Original Image ⭷
image of plant© Alan Cressler: clethra acuminata, scaly mountain, nantahala national forest, macon county, north carolina 1 by Alan Cressler source | Original Image ⭷
image of plant© Grant Morrow Parkins | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷

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Horticultural Information

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native range
6-12 ft.
Mountain Sweet-pepperbush produces spicily-scented small white flowers in the summer. This species also shows beautiful gold fall color. This southeastern native shrub grows primarily in moist acid soils along streambanks in the mountains. This species has a more upright growth habit than other clethras, as well as being tolerant of more well-drained soils. It also features attractive peeling cinnamon-brown bark as it matures. Mountain Sweet-pepperbush can be grown as a shrub or a small tree, limbed up in order to accentuate its handsome bark.
eastern United States


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