北美银钟花 Halesia carolina

  • Scientific Name: Halesia carolina L.
  • Ref: Syst. Nat. ed. 10, 2:1044. 1759
  • Synonym: Halesia monticola (Rehder) Sarg.
  • English Common Name: Carolina silverbell, little silverbell
  • Chinese Common Name: 北美银钟花 Běi Měi yínzhōng∙huā, 四翅银钟花 sìchì yínzhōng∙huā, 卡罗来那银铃 Kǎluóláinà yínlíng
  • Japanese Common Name: アメリカアサガラ [アメリカ麻殻] amerikaasagara
  • Family: Styracaceae
  • Genus: Halesia
  • Distribution: Moist, often slightly acidic and sandy soils, wooded floodplains, stream banks, borders of swamps, hammocks, roadsides; 0-1600 m; Native to E. Central & SE. U.S.A.
  • Photo: 04/19/2013, Chenshan Botanical Garden, Shanghai
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. (Flora of North America, Vol. 8, Page 346)

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