大叶木兰 da ye mu lan

Basionym: Magnolia henryi Dunn, J. Linn. Soc., Bot. 35: 484. 1903; Manglietia wangii Hu & Chun; Talauma kerrii Craib.

Trees, to 20 m tall. Young twigs with appressed trichomes but later glabrescent. Stipular scar nearly reaching apex of petiole. Petiole 4-11 cm, with appressed trichomes when young; leaf blade obovate-oblong, 20-70 × 7-22 cm, leathery, abaxially sparsely appressed pubescent, adaxially glabrous, midvein adaxially prominent, secondary veins 14-20 on each side of midvein, reticulate veins sparse and prominent on both surfaces when dry, base broadly cuneate, apex obtuse to acute. Peduncle pendulous, ca. 8 cm, with 2 bract scars, glabrous. Flower buds ovoid; spathaceous bracts glabrous. Tepals 9; tepals of outer whorl 3, green, ovate-elliptic, 6-6.5 × 3-3.5 cm, apex obtuse; tepals of middle and inner whorls milky white, obovate-spoon-shaped, 5.5-6 cm, thickly fleshy; tepals of inner whorl narrower and smaller. Stamens 1.2-1.5 cm; anthers 1-1.2 cm; connective exserted and forming a mucro. Gynoecium narrowly ellipsoid, 3.5-4 cm, glabrous; carpels 85-95, narrowly long ellipsoid, 1.5-2 cm × 2-3 mm, abaxially 4- or 5-ridged; styles 4-9 mm. Fruit ovoid-ellipsoid, 10-15 × 3-5 cm. Fl. May, fr. Aug-Sep.

Evergreen broad-leaved forests; 500-1500 m. S Yunnan [Myanmar, Thailand].