石碌含笑 shi lu han xiao

Magnolia shiluensis (Chun & Y. F. Wu) Figlar.

Trees, to 18 m tall, to 30 cm d.b.h. Bark gray. Twigs, leaf blades, and petioles glabrous. Terminal buds narrowly ellipsoid, orangish yellow to gray, glossy pubescent. Petiole 1-3 cm, broadly furrowed, without a stipular scar; leaf blade obovate-oblong, 8-14(-20) × 4-7(-8) cm, leathery and rigid, abaxially glaucous, adaxially deep green, secondary veins 8-12 on each side of midvein, reticulate veins prominent on both surfaces when dry, base cuneate to broadly cuneate, apex obtuse and mucronate. Tepals 9, in 3 whorls, white, obovate, 3-4.5 × 1.5-2.5 cm. Stamens 2-2.5 cm; filaments red. Gynoecium 1.4-2.1 cm, puberulous; carpels ovoid, 2.5-4 mm. Fruiting brachyblasts 2-3 cm. Fruit 4-5 cm; mature carpels sometimes only a few developed, obovoid to obovoid-ellipsoid, 0.8-1.2 cm, apex shortly beaked. Seeds broadly ellipsoid, ca. 8 mm. Fl. Mar-May, fr. Jun-Aug. 2n = 38*.

● Evergreen broad-leaved forests, ravines, beside trails; 200-1500 m. Hainan.

This species is grown as an ornamental.