玉兰 Magnolia denudata

  • Scientific Name: Magnolia denudata Desr.
  • Ref: J.B.A.M.de Lamarck, Encycl. 3:675. 1792
  • Synonyms:
    • Lassonia heptapeta Buc’hoz
    • Magnolia alexandrina Steud.
    • M. citriodora Steud.
    • M. conspicua Salisb.
    • M. cuneatifolia (T.B.Chao, Zhi X.Chen & D.L.Fu) C.B.Callaghan & Png
    • M. cyathiformis Rinz ex K.Koch
    • M. denudata var. angustitepala T.B.Chao & Z.S.Chun
    • M. denudata var. glabrata Y.L.Wang & S.Z.Zhang
    • M. denudata var. pyriformis T.D.Yang & T.C.Cui
    • M. heptapeta (Buc’hoz) Dandy
    • M. precia Corrêa ex Vent.
    • M. yulan Desf.
    • Michelia yulan (Desf.) Kostel.
    • Yulania conspicua (Salisb.) Spach
    • Y. cuneatifolia T.B.Chao, Zhi X.Chen & D.L.Fu
    • Y. denudata (Desr.) D.L.Fu
    • Y. pyriformis (T.D.Yang & T.C.Cui) D.L.Fu
  • English Common Name: lilytree, Yulan magnolia
  • Chinese Common Name: 玉兰 yùlán
  • Japanese Common Name: ハクモクレン [白木蓮] hakumokuren
  • Family: Magnoliaceae
  • Genus: Magnolia
  • Subgenus: M. subg. Yulania
  • Section: M. sect. Yulania
  • Subsection: M. subsect. Yulania
  • Distribution: Forests; 500-1000 m. Anhui, Chongqing, N Guangdong, Guizhou, Hubei, Hunan, Jiangxi, Shaanxi, Yunnan, Zhejiang.
Trees, to 25 m tall, to 1 m d.b.h. Bark deep gray, coarse and fissured. Winter buds and peduncles densely pale grayish yellow long sericeous. Branches patent and forming a broad crown; twigs grayish brown, slightly thick and strong. Stipular scar 1/4-1/3 as long as petiole. Petiole 1-2.5 cm, villous, adaxially narrowly furrowed; leaf blade obovate, broadly obovate, or obovate-elliptic but basal leaves elliptic, 10-15(-18) × 6-10(-12) cm, papery, gradually narrowing from middle toward base, abaxially pale green and villous along veins, adaxially deep green, villous when young, and later only pilose on midvein and secondary veins, secondary veins 8-10 on each side of midvein, reticulate veins conspicuous, apex broadly rounded, truncate, or slightly emarginate. Peduncle significantly enlarged, densely pale yellow long sericeous. Flower buds ovoid. Flowers appearing before leaves, 10-16 cm in diam., erect, fragrant. Tepals 9, white, oblong-obovate, 6-8(-10) × 2.5-4.5(-6.5) cm, subequal, base usually pinkish. Stamens 7-12 mm; connective ca. 5 mm wide, exserted and forming a mucro; anthers 6-7 mm, dehiscing laterally. Gynoecium pale green, cylindric, 2-2.5 cm, glabrous; ovaries narrowly ovoid, 3-4 mm; styles conical, ca. 4 mm. Fruit cylindric but in cultivation often curved because of carpels partly undeveloped, 12-15 × 3.5-5 cm; mature carpels brown, thickly woody, white lenticellate. Seeds cordate, ca. 9 × 10 mm, laterally compressed; testa red; endotesta black. Fl. Feb-Mar, fr. Aug-Sep. 2n = 76*, 114*. (Flora of China)

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