Description from Flora of China
Magnolia coriacea (Hung T. Chang & B. L. Chen) Figlar; Michelia nitida B. L. Chen; M. polyneura C. Y. Wu ex Y. W. Law & Y. F. Wu.
Trees, 10-20 m tall. Twigs thick and strong, 5-7 mm in diam., sparsely puberulous, with grayish yellow lenticels; buds cylindric, densely gray pubescent. Stipules free from petiole. Petiole 1-1.5 cm, without a stipular scar, adaxially furrowed; leaf blade oblong to elliptic-oblong, 11-15 × 4-6 cm, thinly leathery, both surfaces glabrous, midvein abaxially prominent and adaxially slightly impressed, secondary veins 17-20 on each side of midvein, reticulate veins dense and prominent on both surfaces, base cuneate to obtuse, apex acuminate. Brachyblasts ca. 2.5 mm, densely yellow tomentose. Tepals 9, in 3 whorls, white, oblong to obovate-oblong, 2.3-3 × 0.8-1 cm, subequal. Stamens ca. 80, 0.8-1 cm; connective exserted and forming a 1.5-2 mm sharp tip; anthers 4-5 mm. Gynophore 2-7 mm but 1.2-1.5 cm in fruit; gynoecium cylindric, 1-1.2 cm, glabrous; carpels many. Fruit 3-4 cm; mature carpels yellowish green, with dense lenticels. Fl. Feb-Apr, fr. Sep-Oct.
● Evergreen broad-leaved forests; 1200-1700 m. SE Yunnan.