黄心含笑 huang xin han xiao

Magnolia martini H. Léveillé, Bull. Soc. Agric. Sarthe 39: 321. 1904; Michelia bodinieri Finet & Gagnepain; M. longistamina Y. W. Law.

Trees, to 20 m tall. Bark gray, smooth. Old twigs brown, scattered with lenticels; young twigs olive green, glabrous; buds ovoid to ellipsoid-ovoid, with dense grayish yellow to reddish brown erect long trichomes. Petiole 1.5-2 cm, without a stipular scar; leaf blade narrowly obovate-elliptic, 12-18 × 3-5 cm, leathery, both surfaces glabrous, adaxially deep green and glossy, midvein abaxially prominent, secondary veins 11-17 on each side of midvein and nearly parallel, base cuneate to broadly cuneate, apex acute to shortly caudate. Brachyblasts thick and strong, ca. 7 mm, densely yellowish brown tomentose. Flowers fragrant. Tepals 6-8, pale yellow; outer tepals obovate-oblong, 4-4.5 × 2-2.4 cm; inner tepals oblanceolate, ca. 4 × 1.1-1.3 cm. Stamens 1.3-1.8 cm; filaments purple; connective exserted and forming a ca. 0.5 mm tip; anthers 1-1.2 cm, dehiscing laterally. Gynoecium pale green, ca. 3 cm; carpels ellipsoid-ovoid, ca. 1 cm; ovules 8-12 per carpel; styles nearly as long as carpels. Fruit 8-15 cm, wrinkled; mature carpels obovoid to ellipsoid-ovoid, 1-2 cm, dehiscing along both ventral and dorsal sutures at same time, white lenticellate, apex shortly beaked. Fl. Feb-Mar, fr. Aug-Oct. 2n = 38.

Forests; 1000-2000 m. Guangdong, Guangxi, Guizhou, S Henan, W Hubei, Hunan, C and S Sichuan, E Yunnan [Vietnam].

Michelia funingensis D. X. Li & Y. W. Law (in Y. H. Liu, Magnolias China, 265. 2004) belongs here but was not validly published because no Latin description or diagnosis was provided and no type was indicated (Vienna Code, Art. 36.1 and 37.1).

This species is grown as an ornamental. It is used for making perfume and for timber.