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FOC | Family List | FOC Vol. 7 | Magnoliaceae | Yulania

2. Yulania sargentiana (Rehder & E. H. Wilson) D. L. Fu, J. Wuhan Bot. Res. 19: 198. 2001.

凹叶玉兰 ao ye yu lan

Magnolia sargentiana Rehder & E. H. Wilson in Sargent, Pl. Wilson. 1: 398. 1913; M. conspicua Salisbury var. emarginata Finet & Gagnepain; M. denudata Desrousseaux var. emarginata (Finet & Gagnepain) Pampanini; M. emarginata (Finet & Gagnepain) W. C. Cheng; M. sargentiana var. robusta Rehder & E. H. Wilson.

Trees 8-20(-25) m tall, to 1 m d.b.h. Annual twigs yellowish green later becoming gray. Stipular scar 1/6-1/4 as long as petiole. Petiole 2-4.5 cm; leaf blade obovate to rarely oblong-obovate, 10-19 × 6-10 cm, nearly leathery, abaxially pale green and densely silvery gray wavy villous but when young those on trunk only with trichomes abaxially along midvein, adaxially dark green, glabrous, and glossy, secondary veins 8-12 on each side of midvein, base narrowly cuneate to broadly cuneate, apex rounded and emarginate or mucronate. Flower buds ovoid, ca. 3.5 cm, pale yellow villous. Flowers appearing before leaves, 15-33(-36) cm, erect or pendulous, slightly fragrant. Tepals 10-14(-17), in 3 whorls, pale red to pale purplish red, obovate-spoon-shaped or narrowly obovate, 8-10 × 3-4.3 cm, fleshy, apex rounded to emarginate. Stamens 1-1.9 cm; filaments purple; connective exserted and forming a 0.5-1 mm mucro; anthers 7-9 mm, dehiscing laterally, base broad. Gynoecium green, terete, 1.8-2 cm, glabrous; stigmas purple. Fruiting peduncle thick and strong, 7-10 mm in diam., with residual trichomes on nodes. Fruit terete, 8-15(-17) × 2-3 cm, usually wrinkled; mature carpels blackish purple, hemispherical or subglobose, 1.2-1.4 × ca. 0.9 cm, densely tuberculate, apex shortly beaked. Seeds nearly reniform, irregularly orbicular, or obovate, 10-12 × 6-8 mm, bilaterally flat; testa reddish brown. Fl. Apr-May, fr. Sep. 2n = 114*.

● Wet broad-leaved forests; 1400-3000 m. C and S Sichuan, N and NE Yunnan.


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