合果木 he guo mu

Magnolia baillonii Pierre, Fl. Forest. Cochinch. 1: t. 2. 1880; Aromadendron baillonii (Pierre) Craib; A. spongiocarpum (King) Craib; M. baillonii var. bailingia Sima & H. Jiang; M. phellocarpa (King) H. J. Chowdhery & P. Daniel; Michelia phellocarpa (King) Finet & Gagnepain; Paramichelia baillonii (Pierre) Hu; Talauma phellocarpa King; T. spongiocarpa King.

Trees, to 35 m tall, to 1 m d.b.h. Young twigs, petioles, and leaf blade abaxial surfaces pale brown appressed villous. Stipular scar 1/3-1/2 as long as petiole. Petiole 1.5-3 cm; leaf blade elliptic, ovate-elliptic, or narrowly ovate, 6-22(-25) × 4-7 cm, adaxially at first brown appressed villous, midvein impressed and remaining with long trichomes, secondary veins 9-15 on each side of midvein, reticulate veins dense, slender, and prominent on both surfaces when dry, base cuneate to broadly cuneate, apex acuminate. Brachyblasts 1-1.5 cm. Flowers fragrant. Tepals 18-21, 6 in a whorl, white but cream-colored in bud; tepals of outer 2 whorls oblanceolate, 2.5-2.7 × ca. 0.5 cm, gradually smaller and narrower inward; inner tepals lanceolate, ca. 2 cm × 2 mm. Stamens 6-7 mm; filaments 1-1.2 mm; connective exserted and forming a short sharp tip; anthers ca. 5 mm. Gynophore ca. 3 mm, densely pale yellow pubescent; gynoecium narrowly ovoid, ca. 5 mm; carpels completely connate, densely pale yellow pubescent; styles red, ca. 1 mm. Fruit obovoid to ellipsoid-cylindric, 6-10 × ca. 4 cm, fleshy; mature carpels completely connate, flat, hooked, with dotted prominent lenticels; midribs of carpels persistent on fruiting axis after carpels dehisce. Fl. Mar-May, fr. Aug-Oct. 2n = 38.

Forests; 500-1500 m. S Yunnan [Cambodia, India (Assam), Myanmar, Thailand, Vietnam].

This species is used for timber.