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1份; DNA材料5份;

• 科:省沽油科    Staphyleaceae
• 属:省沽油属   Staphylea
• 种:嵩明省沽油   Staphylea forrestii

4. Staphylea forrestii I. Balfour, Notes Roy. Bot. Gard. Edinburgh. 13: 183. 1921. 嵩明省沽油 song ming sheng gu you Trees, (8-)10-17 m tall; old branches yellowish brown with vertical stripes, glabrous. Leaves trifoliolate, rarely 5-foliolate; rachis 4-7 cm, glabrous, grayish brown; terminal petiolule (1-)2.5-3.5 cm, lateral ones 2-3 mm or lateral leaflets sessile; leaflet blades oblong-oval to elliptic, (6-)8-10 × (2.5-)3.5-4.5 cm, papery, glabrous and dark green adaxially, slightly pubescent along veins near base of blade and pale green abaxially, veins conspicuous on both surfaces, lateral veins 6 or 7 pairs, base broadly cuneate, margin serrate, slightly revolute, apex acuminate. Inflorescence an axillary raceme, flowering before foliage, bracteoles linear. Flowers 9-12 mm; pedicel 4-5(-8) mm. Sepals linear-deltoid, 7-9 × ca. 4 mm, glabrous or exterior slightly pubescent at base. Petals spatulate, ca. 9 mm, glabrous, inserted at disk margin. Stamens alternate to petals; filaments ca. 7 mm, base glabrous; anthers ca. 2 mm. Ovary 1-locular, with numerous ovules per locule; styles 3, ca. 7 mm including ovary, base slightly pubescent; stigma capitate. Capsules 4.5-6.5 × 2-3.5 cm, columnar to campanulate, base rounded. Seeds 5-7 mm in diam., shining, olive green to yellow. Fl. May, fr. Aug.● Open forests on slopes; 2300-2700 m. N Guangdong (Ruyuan), Guizhou, S Sichuan (Huidong), Yunnan (Songming).【引自：Flora of China】

乔木，高(8-)10-17米，老枝深黄褐色，具纵条纹，无毛。叶对生，叶轴长9-7厘米，淡灰褐色，无毛，小叶3，稀为5，纸质，长圆状椭圆形或长卵形，长(6-)8-10厘米，宽(2.5-) 3.5-4.5厘米，先端长渐尖，基部宽楔形，边缘微反折，具锯齿，上面深绿色，无毛，背面色淡，向基部脉腋（中脉两侧）疏生白色微柔毛，余无毛，主脉在两面明显，侧脉6-7,与网脉在两面明显，侧、叶柄长经尧望篡半，中、叶柄长(1-)2.5-3.5厘米。总状花序腋生，花多数，小花柄长9-5（-8）毫米，有小托叶，托叶线形，花长9-12毫米，花萼5，线状三角形，长7-9毫米，基部宽约9毫米，两面无毛或外面基部疏被柔毛，花瓣5,着生于花盘边缘，匙形，长约9毫米，两面无毛，雄蕊5，与花瓣对生，生于花瓣内侧基部，花丝长约7毫米，基部无毛，花药长约2毫米，花柱3，长（连子房）约7毫米，基部极疏被白色柔毛，柱头头状，子房1室，胚珠多数。果实长d.5-6.5厘米，宽2-3.5厘米，圆往状钟形，基部浑圆，种子长5-7毫米，有光泽，榄绿色至黄色。花期5月，果期8月。 【引自：中国植物志】