- Clethra alnifolia
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Clethra alnifolia 
Scientific classification Kingdom: Plantae (unranked): Angiosperms (unranked): Eudicots (unranked): Asterids Order: Ericales Family: Clethraceae Genus: Clethra Species: C. alnifolia Binomial name Clethra alnifolia
L.Clethra alnifolia (Sweet Pepperbush, Anne Bidwell or Summersweet), is a flowering plant in the genus Clethra, native to eastern North America from southern Nova Scotia and Maine south to northern Florida, and west to eastern Texas.
It is a deciduous shrub growing to 1.5-3 m tall. The leaves are obovate to oblong, 4-10 cm long and 2-4 cm broad, with a serrated margin; they are green turning yellow-golden during the autumn. The flowers are white or very pale pink, 5-10 mm diameter, and have a sweet, somewhat cloying fragrance, the flowers attractive to bumblebees; they are produced in racemes up to 15 cm long and 2 cm broad from July until September, depending on the cultivar. The "Pepper" part of the common name derives from the mature fruits, capsules which have a vague resemblance to peppercorns, however, with no element of spiciness.
'Ruby Spice' flowers
It grows in wet forests, pine flatwoods, wetlands, bogs and can be seen alongside woodland streams. It prefers a neutral to acid soil. The Nova Scotia population is small and endangered.
Uses
Sweet Pepperbush is typically used as a shrub for natural gardens, or is placed alongside a stream or pond in order to delay erosion. Limiting its landscaping use is the fact that it doesn't leaf out until very late in the season. Several cultivars have been selected for garden use, including 'Ruby Spice', with strongly pink flowers; 'Hummingbird', for its dwarf size; and 'September Beauty', which flowers in September.
References and external links
- Germplasm Resources Information Network: Clethra alnifolia
- Connecticut Botanical Society
- Virginia Tech Dendrology
- Canadian Biodiversity: Clethra alnifolia in Nova Scotia
- Clethra acuminata
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