滇藏玉兰 dian zang yu lan

Magnolia campbellii J. D. Hooker & Thomson, Fl. Ind. 1: 77. 1855; M. campbellii subsp. mollicomata (W. W. Smith) G. H. Johnstone; M. campbellii var. mollicomata (W. W. Smith) F. S. Ward; M. mollicomata W. W. Smith.

Trees, to 30 m tall. Bark grayish brown. Twigs yellowish green when young and reddish brown when old, glabrous. Stipular scar short and small. Petiole 1-5 cm, pilose; leaf blade elliptic, oblong-ovate, or broadly obovate, 10-23(-33) × 4.5-10(-14) cm, papery, abaxially grayish green and white appressed pilose, adaxially deep green and glabrous, midvein and secondary veins appressed long sericeous, secondary veins 12-16 on each side of midvein, base rounded to broadly cuneate and usually unequal, apex acute to shortly acuminate. Peduncle thick and strong, ca. 2 cm, glabrous or slightly pilose. Flower buds ovoid, ca. 2.5 cm, pale yellow sericeous. Flowers appearing before leaves, 15-25(-35) cm in diam., slightly fragrant. Tepals 12-16, dark red, pink, or sometimes white, obovate-spoon-shaped to oblong-ovate, 6-14 × 4-6 cm, base gradually narrowed and forming a claw; outer 3 patent, reflexed, or pendulous; tepals of innermost whorl broadly ovate to suborbicular, 8-10 × 4-6 cm, erect, surrounding stamens and gynoecium. Stamens 1-3 cm; filaments purplish red. Gynoecium green, 2-3 cm; stigmas red. Fruiting peduncle thick and strong, 1-1.5 cm in diam., glabrous. Fruit purplish red turning brown, terete, 11-20 × 2.5-3 cm, at first erect then pendulous; mature carpels firmly connate, thin, dehiscing into 2 valves along dorsal sutures. Seeds cordate, 1-1.2 × 0.8-1 cm, laterally flat. Fl. Mar-May, fr. Jun-Jul. 2n = 114.

Forests; 2500-3500 m. S Xizang, NW Yunnan [Bhutan, NE India (Assam, Sikkim), N Myanmar, Nepal].

This species is grown as an ornamental.