《中国植物志》|| 卫矛科 CELASTRACEAE ||美登木组 Sect. Maytenus ||广西美登木 Maytenus guangxiensis C. Y. Cheng & W. L. Sha

18.广西美登木（植物分类学报）图版34: 1-3
Maytenus guangxiensis C. Y. Cheng et W. L. Sha植物分类学报19 (2): 232. 1981; 广西药用植物名录, 285. 1986.
灌木，高达3米；小枝具刺，刺较粗壮。叶厚纸质，椭圆形或卵状椭圆形，长6.5-21厘米，宽3.5-10厘米，先端急尖或稍钝，基部阔楔形或近圆形，边缘具浅齿常呈波状；叶柄长5-12毫米。聚伞花序2-4次分枝，有花7-25朵；花序梗短，分枝长约1厘米，小花梗长3-8毫米；苞片及小苞片细小，阔卵形，长约1毫米，边缘有纤毛；花白色，直径6-8毫米；萼片卵圆形，边缘稍有短纤毛；花瓣长圆形，边缘微缺蚀状；花盘肥厚，圆形有5波状浅内凹，雄蕊着生内凹外缘，花丝细长，长达2.5毫米；子房有明显花柱，柱头3裂。蒴果成熟紫棕色，倒卵状，长1.4-1.8厘米，直径1-1.2厘米；种子棕红色，椭圆状或卵圆状，长6-8毫米，直径约5毫米，基部有白色杯状假种皮。
产于广西（扶绥、东兰、田阳及隆安）。生长于石灰岩山地灌丛中。模式标本采自广西扶绥。
广西民间用枝叶做止痛药。

《Flora of China》|| Celastraceae || Maytenus ||广西美登木 Maytenus guangxiensis

4. Maytenus guangxiensis C. Y. Cheng & W. L. Sha, Acta Phytotax. Sin. 19: 232. 1981.

广西美登木 guang xi mei deng mu

Shrubs, to 3 m tall; twigs thorny, thorns sturdy. Petiole 5-13 mm; leaf blade elliptic or ovate-elliptic, 6.5-21 × 3.5-10 cm, thickly papery, base broadly cuneate or subrounded, margin crenate, apex acute or obtuse; lateral veins tenuous, 8 or 9 pairs. Cymes fascicled, 2-4 × branched, 7-25-flowered; peduncle short, branches ca. 1 cm; pedicel 3-8 mm; bracts and bractlets small, broadly ovate, ca. 1 mm. Flowers white, 6-8 mm in diam.; sepals ovate-rounded, ciliate; petals oblong, erose. Disk thick. Filament ca. 2.5 mm. Ovary with obvious style; stigma 3-lobed. Capsule purple-brown, obovoid, 1.4-1.8 × 1-1.2 cm, 3-valved. Seeds red-brown, elliptic or ovate-elliptic, 6-8 × ca. 5 mm, covered by white aril at base. Fl. Nov-Dec.

● Dry calcareous mountain slopes, scrub. Guangxi.

The leaves of this species are used medicinally.