Description from Flora of China
Magnolia grandis (Hu & W. C. Cheng) V. S. Kumar.
Trees, to 12 m tall. Twigs pale gray, thick and strong, glabrous. Stipules glabrous, scar ca. 1/4 as long as petiole. Petiole 2.6-4 cm; leaf blade elliptic to obovate, 20-35.5 × 10-13 cm, leathery, glabrous, abaxially papillate, adaxially lucid, secondary veins 17-26 on each side of midvein and conspicuous when dry, base broadly cuneate, apex acute to cuspidate. Tepals 12, red; outer tepals thinner, obovate-oblong, 9-11 cm, 9-11-striated; innermost 3 tepals obovate-spoon-shaped, 8-12 × 3-6 cm, fleshy. Stamens 1.4-1.6 cm; connective with a ca. 1 mm mucro; anthers ca. 1.3 cm. Gynoecium ovoid, ca. 4 cm; carpels with midvein abaxially concave to apex of style. Fruiting brachyblasts thick and strong, ca. 1.3 cm in diam. Fruit ellipsoid-ovoid, 10-12 cm; mature carpels 3-4 cm, dehiscing along ventral sutures, apex acute and minutely incurved. Fl. May, fr. Sep-Oct. 2n = 38*.
This species is used for timber.
● Evergreen broad-leaved forests; 800-1500 m. SW Guangxi, SE Yunnan.