Description from Flora of China
Kmeria septentrionalis Dandy, J. Bot. 69: 233. 1931; Magnolia kwangsiensis Figlar & Nooteboom.
Trees, to 18 m tall, to 40 cm d.b.h. Bark gray. Twigs green, at first appressed pubescent. Stipular scar nearly reaching apex of petiole. Petiole 2-3.5 cm, at first grayish pubescent, later glabrescent; leaf blade elliptic-oblong to obovate-oblong, 8-15 × 3.5-6 cm, leathery, both surfaces glabrous or when young abaxially sparsely pilose at base, adaxially green and glossy, secondary veins 12-17 on each side of midvein, reticulate veins prominent on both surfaces, base broadly cuneate, apex obtuse and slightly emarginate. Male flower: tepals white and pale greenish; outer 3 tepals obovate, 2-3 × ca. 2 cm; tepals of inner 2 whorls elliptic, slightly narrower and smaller; androecium white with pale yellow, obovoid; stamens 1.8-2.5 cm; filaments ca. 2 mm; connective exserted and forming a 2-3 mm tonguelike tip; anthers 1-1.5 cm, dehiscing laterally. Female flower: outer 3 tepals obovate, 2.5-3 × 2-2.5 cm; tepals of inner whorls 8-10, linear-narrowly ovate, 2-2.5 cm × 2-3 mm; gynoecium green, obovoid, ca. 10 × 8-9 mm; carpels 6-9; ovules 2 per carpel, shortly funiculate; styles short; stigmas cristate. Fruit red when mature, subglobose; pericarp 3.5-4 cm, woody, dehiscing completely along dorsal sutures. Seeds 1 or 2 per carpel, those with testa red but those without testa black, bean-shaped to cordate, 10-12 × 7-9 mm, narrowly long furrowed, with several irregular massive protuberances, stalked at middle, apex truncate to slightly concave. Fl. May-Jun, fr. Oct-Nov. 2n = 38*.
This species is grown as an ornamental and used for timber.
● Limestone hills, forests; 300-600 m. N Guangxi, SE Guizhou, SE Yunnan.