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6份;

• 科:樟科    Lauraceae
• 属:润楠属    Machilus
• 种:滇润楠   Machilus yunnanensis

1. Machilus yunnanensis Lecomte, Nouv. Arch. Mus. Hist. Nat., sér. 5. 5: 100. 1913. 滇润楠 dian run nan Trees, to 30 m tall; trunk to 80 cm d.b.h. Branchlets greenish when young and brownish when old, cylindric, glabrous. Petiole 1-1.5 cm, glabrous; leaf blade obovate, obovate-elliptic, or oblong to elliptic, 4-15 × 2-5.7 cm, leathery, glabrous on both surfaces, midrib conspicuously elevated abaxially, concave adaxially, lateral veins 7-9 pairs, curved, elevated on both surfaces, base cuneate, margin slightly revolute, apex shortly acuminate, summit obtuse. Panicles at lower part of short branchlet, (2-)3.5-7(-9) cm, glabrous throughout; peduncle (1-)1.5-3.5 cm; bracts 5-8 mm, outer ones smaller, densely ferruginous pubescent outside, subglabrous inside. Pedicel 4-10 mm. Flowers pale green, yellowish green, or yellowish white, 4-5 mm. Perianth lobes oblong, glabrous outside, pubescent inside. Filaments villous at base, those of 3rd series with stipitate glands. Fruit dark blue, glaucescent when mature, ellipsoid or oblong, to 1.8 × 1 cm, glabrous; persistent perianth lobes not thickened, reflexed. Fl. Apr-May, fr. May-Oct.● Evergreen broad-leaved forests, moist and fertile places on mountain slopes; 1500-2100 m. NW Guangxi, W Sichuan, S Xizang, C, NW, and W Yunnan.【引自：Flora of China】

乔木，高达30米，胸径达80厘米。枝条圆柱形，具纵向条纹，幼时绿色，老时褐色，无毛。叶互生，疏离，倒卵形或倒卵状椭圆形，间或椭圆形，长(5)7-9 (12) 厘米，宽 (2) 3.5-4(5)厘米，先端短渐尖，尖头钝，基部楔形，两侧有时不对称，革质，上面绿色或黄绿 色，光亮，下面淡绿色或粉绿色，两面均无毛，边缘软骨质而背卷，中脉上面下部略凹陷，但上部近于平坦，下面明显凸起，侧脉每边7-9条，有时分又，弧曲，两面凸起，横脉及小 脉网状，两面明显构成蜂巢状窝穴；叶柄长1-1.75厘米，腹面具槽，背面圆形，无毛。花序由1-3花的聚伞花序组成，有时圆锥花序上部或全部的聚伞花序仅具1花，后者花序呈假总状花序，花序长(2) 3.5-7(9)厘米，多数，生于短枝下部，总梗长(1)1.5-3(3.5)厘米，与各级序轴及花梗无毛；苞片及小苞片早落，苞片宽卵形或近圆形，长5-8毫米，外层苞片较小，外面密被锈色柔毛，内面近无毛，小苞片线形，长达4毫米，宽仅0.3毫米，外面被锈色柔毛。花淡绿色、黄绿色或黄玉白色，长4-5毫米，花梗长4-10毫米；花被外面无毛，内面被柔毛，筒倒锥形，长约1毫米，花被裂片长圆形，先端锐尖，外轮稍短，长3.5-4毫米，内轮长4-4.5毫米，宽不及2毫米；花丝基部被柔毛，第三轮雄蕊稍长，花丝基部有成对具柄的圆状肾形腺体，柄长达花丝之半，基部被柔毛；子房卵珠形，无毛，长1.5毫米，花柱丝状，与子房近等长，柱头小，头状。果椭圆形，长约1.4厘米，先端具小尖头，熟时黑蓝色，具白粉，无毛；宿存花被裂片不增大，反折；果梗不增粗，顶端粗约1.2毫米。花期4-5月，果期6-10月。【引自：中国植物志】