四照花 Cornus kousa subsp. chinensis

  • Scientific Name: Cornus kousa subsp. chinensis (Osborn) Q.Y.Xiang
  • Ref: Bull. Bot. Res., Harbin. 7(2):46. 1987
  • English Common Name: Chinese dogwood
  • Chinese Common Name: 四照花 sìzhàohuā
  • Japanese Common Name: ヤマボウシ [山法師] yamabōshi
  • Family: Cornaceae
  • Genus: Cornus
  • Distribution: Mixed woods, valleys, shaded slopes, streamsides, roadsides; 400–2200 m. Anhui, Fujian, Gansu, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Nei Mongol, Shaanxi, Shanxi, Sichuan, Taiwan, ?Yunnan, Zhejiang.
Trees or shrubs, deciduous, 3–10 m tall. Bark grayish brown, smooth; current year’s branches pubescent with soft white trichomes; second year branches reddish brown, glabrescent or subglabrous, with rounded lenticels. Winter buds mixed, globose, completely covered by 2 pairs of scales. Leaf blade adaxially green, abaxially powder green, narrowly to broadly elliptic, narrowly to broadly ovate, 4–11 × 3.6–5 cm, papery to thickly papery, abaxially often densely papillate and pubescent with appressed trichomes, rarely with long soft white trichomes, trichomes gradually deciduous, axils of veins often with a cluster of white or brown soft long trichomes, veins 4 or 5 pairs, base abruptly acute to rounded, apex abruptly acuminate. Bracts white or rarely pink, narrowly to broadly elliptic to narrowly to broadly ovate, 3–6 cm, glabrous or minutely pubescent, apex acuminate. Capitate cymes globose, 0.7–1 cm in diam., 20–40-flowered; peduncle 3.5–7.5 cm; often with a conspicuously thickened ring at base. Calyx with a ring of short brown or white trichomes; tube ca. 1 mm; lobes pubescent on both surfaces, apex truncate to rounded. Petals greenish or yellowish. Anthers yellow or sometimes dark blue or blackish. Style cylindrical, ca. 1.5 mm, densely pubescent with thick white trichomes. Compound fruit red at maturity, globose, 1–1.5 cm in diam., minutely white strigillose; peduncle 6–11 cm. Fl. May–Jul, fr. Sep–Oct. (Flora of China)

04/19/2016


04/19/2016

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