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

13. Yulania jigongshanensis (T. B. Chao et al.) D. L. Fu, J. Wuhan Bot. Res. 19: 198. 2001.

鸡公山玉兰 ji gong shan yu lan

Magnolia jigongshanensis T. B. Chao et al., J. Henan Univ., Nat. Sci. 26: 62. 2000.

Trees. Twigs purplish brown, lustrous, glabrous, rarely pubescent; young twigs pale yellowish green, terete, densely pubescent. Petiole 1-3 cm, furrowed adaxially; leaf blade broadly elliptic, broadly ovate, orbicular, suborbicular, obovate, or obtriangular, 16.5-19.5 × 5-17.5 cm, thinly leathery to leathery, abaxially pale yellowish green and densely curved pubescent, adaxially dark green, lustrous, and densely pubescent along veins, secondary veins 5-9 on each side of midvein and prominent on both surfaces, base subrounded to broadly cuneate, apex obtuse and with a long mucro to 2-lobed. Brachyblasts densely pubescent. Flower buds ovoid, small, densely grayish white to pale yellowish brown villous. Flowers appearing before leaves. Tepals 9; outer 3 tepals pale yellowish green, sepal-like, triangular or lanceolate, 1-5(-15) mm, membranous; inner 6 tepals pale yellowish white but outside pale purplish in middle at base, petal-like, spatulate-elliptic, 5-9 × 3-5 cm, apex obtuse to sometimes emarginate. Stamens 65-71; filaments purple; anthers 0.8-1.3 cm, dehiscing latrorsely. Carpels many, densely pubescent. Fruit terete, 15-20 × 3-5 cm. Fl. Apr, fr. Aug.

● Henan (Jigong Shan).

One of the largest plantations of Yulania for growing medicinal xinyi is found at Jigong Shan Forest Station in Xinying, Henan. This plant may be one of the many hybrids that originate in plantations with different Yulania species, probably with Yulania biondii as one of the parents.


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