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9份; DNA材料16份;

• 科:木兰科    Magnoliaceae
• 属:含笑属    Michelia
• 种:深山含笑   Michelia maudiae

12. Michelia maudiae Dunn, J. Linn. Soc., Bot. 38: 353. 1908. 深山含笑 shen shan han xiao Magnolia maudiae (Dunn) Figlar; Michelia chingii W. C. Cheng.Trees, to 20 m tall, glabrous. Bark pale gray or grayish brown, thin. Young twigs, buds, leaf blade abaxial surfaces, and bracts white powdery. Petiole 1-3 cm, without a stipular scar; leaf blade oblong-elliptic to rarely ovate-elliptic, 7-18 × 3.5-8.5 cm, leathery, abaxially grayish green and glaucous, adaxially deep green and glossy, secondary veins 7-12 on each side of midvein, straight or slightly curved, and divaricate and netted, reticulate veins dense, base cuneate, broadly cuneate, or obtuse, apex abruptly shortly acuminate to shortly acuminate and with an obtuse tip. Brachyblasts green, with 3 annular bract scars; spathaceous bracts pale brown, ca. 3 cm, thinly leathery. Flowers fragrant. Tepals 9, white but base slightly pale red; outer tepals obovate, 5-7 × 3.5-4 cm, base ca. 1 cm clawed, apex shortly acute; tepals of inner 2 whorls gradually narrowing, nearly spoon-shaped, apex acute. Stamens 1.5-2.2 cm; filaments pale purple, flat, ca. 4 mm; connective exserted and forming a 1-2 mm tip. Gynophore 5-8 mm; gynoecium 1.5-1.8 cm; carpels green, narrowly ovoid, 5-6 mm including style. Fruit 7-15 cm; mature carpels ellipsoid, obovoid, or ovoid, apex obtuse or abruptly mucronate. Seeds red, obliquely ovoid, ca. 10 × 5 mm, slightly compressed. Fl. Feb-Mar, fr. Sep-Oct. 2n = 38*.● Evergreen broad-leaved forests; 600-1500 m. S Anhui, Fujian, Guangdong, Guangxi, Guizhou, Jiangxi, Hunan, S Zhejiang.This species is grown as an ornamental. It is used medicinally and for timber.【引自：Flora of China】

乔木，高达20米，各部均无毛；树皮薄、浅灰色或灰褐色；芽、嫩枝、叶下面、苞片均被白粉。叶革质，长圆状椭圆形，很少卵状椭圆形，长7-18厘米，宽3.5-8.5厘米，先端骤狭短渐尖或短渐尖而尖头钝，基部楔形，阔楔形或近圆钝，上面深绿色，有光泽，下面灰绿色，被白粉，侧脉每边7-12条，直或稍曲，至近叶缘开叉网结、网眼致密。叶柄长1-3厘米，无托叶痕。花梗绿色具3环状苞片脱落痕，佛焰苞状苞片淡褐色，薄革质，长约3厘米；花芳香，花被片9片，纯白色，基部稍呈淡红色，外轮的倒卵形，长5-7厘米，宽3.5-4厘米，顶端具短急尖，基部具长约1厘米的爪，内两轮则渐狭小；近匙形，顶端尖；雄蕊长1.5-2.2厘米，药隔伸出长1-2毫米的尖头，花丝宽扁，淡紫色，长约4毫米；雌蕊群长1.5-1.8厘米；雌蕊群柄长5-8毫米。心皮绿色，狭卵圆形、连花柱长5-6毫米。聚合果长7-15厘米，蓇葖长圆体形、倒卵圆形、卵圆形、顶端圆钝或具短突尖头。种子红色，斜卵圆形，长约1厘米，宽约5毫米，稍扁。花期2-3月，果期9-10月。 【引自：中国植物志】