Description from Flora of China
Magnolia floribunda (Finet & Gagnepain) Figlar; M. microtricha (Handel-Mazzetti) Figlar; Michelia kerrii Craib; M. microtricha Handel-Mazzetti.
Trees, to 20 m tall. Bark gray, smooth. Young twigs 2-3 mm in diam., with white appressed trichomes. Stipular scar 1/2 or more as long as petiole. Petiole 1-1.5(-2.5) cm, with white appressed trichomes; leaf blade narrowly ovate-elliptic, narrowly ovate, or narrowly obovate-elliptic, 7-12(-14) × 2-4 cm, leathery, abaxially glaucous or not and with white long appressed trichomes, adaxially deep green and glossy, midvein impressed and usually with residual white trichomes, secondary veins 8-12 on each side of midvein and slender, reticulate veins dense, slender, and slightly prominent on both surfaces, base broadly cuneate to rounded, apex acuminate to caudate-acuminate. Brachyblasts 3-7 × ca. 3 mm, with dense silvery appressed fine trichomes, with 1 or 2 bract scars. Flowers narrowly ellipsoid, slightly curved, golden yellow appressed villous. Tepals 11-13, white, spoon-shaped to oblanceolate, 2.5-3.5 × 0.4-0.7 cm, apex usually with a small tip. Stamens 10-14; connective exserted and forming a long tip. Gynophore ca. 5 mm; gynoecium ca. 1 cm; carpels ca. 4 mm; ovaries ovoid, ca. 2 mm, densely silvery puberulous; styles as long as ovaries. Fruit 2-6 cm, wrinkled; mature carpels compressed globose to long spherical, 0.6-1.5 cm, white lenticellate, apex slightly tipped. Fl. Feb-Apr, fr. Aug-Sep. 2n = 38.
Forests; 1300-2700 m. Chongqing, SW Hubei, Hunan, C Sichuan, SE Xizang, Yunnan [Laos, Myanmar, Thailand, Vietnam].