目前为止，中国西南野生生物种质资源库共保藏该物种: 种子4份; DNA材料9份; DNA2份;

• 科:木兰科    Magnoliaceae
• 属:含笑属    Michelia
• 种:合果木   Michelia baillonii

3. Michelia baillonii (Pierre) Finet & Gagnepain, Bull. Soc. Bot. France. 52(Mém. 4): 46. 1906. 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.【引自：Flora of China】

大乔木，高可达3.5米，胸径1米，嫩枝、叶柄、叶背，被淡褐色平伏长毛。；叶椭圆形，卵状椭圆形或披针形，长6-22（-25）厘米，宽4-7厘米，先端渐尖，基部楔形、阔楔形，上面初被褐色平伏长毛，中脉凹入，残留有长毛，侧脉每边9-15条，网脉细密，干时两面凸起；叶柄长1.5-3厘米，托叶痕为叶柄长的1/3或1/2以上。花芳香，黄色，花被片18-21，6片1轮，外2轮倒披针形，长2.5-2.7厘米，宽约0.5厘米，向内渐狭小，内轮披针形，长约2厘米，宽约2毫米，雄蕊长6-7毫米，花药长约5毫米，药隔伸出成短锐尖，花丝长11.2毫米；雌蕊群狭卵圆形，长约5毫米，心皮完全合生，密被淡黄色柔毛，花柱红色，长约1毫米，雌蕊群柄长约3毫米，密被淡黄色柔毛；花梗长1-1.5厘米。聚合果肉质，倒卵圆形，椭圆状圆柱形，长6-10厘米，宽约4厘米，成熟心皮完全合生，具圆点状凸起皮孔，干后不规则小块状脱落；心皮中脉木质化，扁平，弯钩状，宿存于粗壮的果轴上。花期3-5月，果期8-10月。【引自：中国植物志】