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Halesia carolina L.  
Family: Styracaceae
Carolina Silverbell, more...mountain silverbell, mountain silverbell
[Halesia carolina subsp. monticola, moreHalesia carolina var. monticola Rehder, Halesia monticola (Rehder) Sarg., Halesia monticola var. vestita Sarg., Halesia tetraptera Ellis, Halesia tetraptera var. monticola (Rehder) Reveal & Seldin, Halesia tetraptera var. tetraptera Ellis]
Halesia carolina image
Paul Rothrock
  • FNA
  • Gleason & Cronquist
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Peter W. Fritsch in Flora of North America (vol. 8)
Shrubs or trees to 24 m. Leaves: petiole 11-29 mm; blade whitish green or grayish green abaxially, ovate-oblong, elliptic, or obovate to oblanceolate, 8.7-22.5 × 3.8-11.4 cm, length 1.5-3.3 times width, margins 25-80-toothed, abaxial surface not shiny, quaternary veins not raised abaxially. Inflorescences appearing fasciculate, 2-6-flowered, sometimes solitary flowers, ebracteolate. Flowers: sepals 2-5 × 1.5-3 mm; corolla open prior to anthesis, 10-29 mm, glabrous, tube 7-26 mm, lobes 3-7 × 5-12 mm; stamens 12-16, 9-17 mm; filaments adnate to corolla 2-3 mm, free portion connate 1-3 mm, distinct portion 5-14 mm, glabrous abaxially, hairy adaxially; anthers 2.5-4 mm; style glabrous. Fruits ± equally 4-winged, ellipsoid to clavate, 2.4-5 × 0.7-2.6 cm. 2n = 24. Flowering Mar-May; fruiting Jun-Nov. Moist, often slightly acidic and sandy soils, wooded floodplains, stream banks, borders of swamps, hammocks, roadsides; 0-1600 m; Ala., Ark., Fla., Ga., Ill., Ind., Ky., La., Mich., Miss., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Va., W.Va. Two poorly defined taxa have been segregated from Halesia carolina at the species level or below. The mountain entity, H. monticola, is a tree to 20 meters or more with relatively large flowers, deeply included stamens, and relatively large fruits. The more often recognized coastal-plain entity H. parviflora is a shrub with smaller flowers, exserted stamens, and clavate fruits. P. W. Fritsch and S. A. Lucas (2000) have demonstrated that the characters used to delimit segregates vary either irregularly or more or less continuously with latitude. Halesia carolina is not native in Michigan, New York, Pennsylvania, and Rhode Island but has been locally naturalized in these states.

Vascular plants of NE US and adjacent Canada
Shrub or small tree to 10(-30) m; lvs oblong or elliptic to oblong- obovate, acute or acuminate, finely serrulate, becoming 10-15 cm after anthesis; fls in clusters of 2-5, on slender pedicels 1-2 cm; cor opening before maturity, at anthesis 2-2.5 cm; fr 2.5-3.5 cm, 4-winged; 2n=24. Rich, moist woods; w. Va. to s. O. and s. Ill., s. to Fla. and e. Tex. Apr., May. (? H. carolina L., an earlier name, perhaps misapplied)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Halesia carolina
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Paul Rothrock
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Paul Rothrock
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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The National Science Foundation
This project made possible by National Science Foundation Awards 1601697, 1600981, 1601393, 1600976, 1601429, 1601101, 1601503
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