《中国植物志》|| 小檗科 BERBERIDACEAE ||淫羊藿属 Epimedium Linn. ||小叶淫羊藿 Epimedium parvifolium S. Z. He & T. L. Zhang

2．小叶淫羊藿　图版56：8-9
Epimedium parvifolium S. Z. He et T. L. Zhang in Guihaia 14 (1) : 25, 1994.
多年生草本，植株高15-25厘米，光滑无毛。地下根茎横走，直径1.5-3毫米，长15厘米以上。单叶基生和茎生，阔心形，长2.5-3.5厘米，宽3-4厘米，先端渐尖，基部心形，两侧近相等，边缘具锯齿，上面暗绿色，光滑无毛；背面疏被短柔毛，网脉显著，常被白粉；花茎具叶1枚，与花序梗对生。总状花序长8-10厘米，具8-12朵花，花序轴无毛；花梗长1-2厘米，光滑无毛；苞片卵形，长约1.5毫米；花紫色；萼片8，2轮，外萼片4，紫色，其中2枚披针形，长约3毫米，宽约1.2毫米，另2枚卵形，长约3.5毫米，宽约2.5毫米，内萼片4，披针形，黄色，长约3毫米，宽约1.2毫米，花瓣4，近圆形，紫色，长约1.2毫米，无距；雄蕊4，长约2.5毫米，花药长1 .8毫米，顶端钝尖，花丝扁平；雌蕊长约2毫米，花柱长约1毫米。蒴果长约1厘米，宿存花柱长约3毫米。种子1-2颗，肾形，褐色，长约3.5毫米。花期4-5月，果期5-6月。
产于贵州。生于松林下或灌丛中。海拔1300-1400米。模式标本采自贵州松桃县甘龙。

《Flora of China》|| Berberidaceae || Epimedium ||小叶淫羊藿 Epimedium parvifolium

2. Epimedium parvifolium S. Z. He & T. L. Zhang, Guihaia. 14: 25. 1994.

小叶淫羊藿 xiao ye yin yang huo

Epimedium elachyphyllum Stearn, nom. illeg. superfl.

Herbs, 15-25 cm tall, glabrous. Rhizome apparently creeping, longer than 15 cm, 1.5-3 mm in diam. Leaves simple, basal and cauline; leaf blade adaxially dark green, broadly ovate, 2.5-3.5 × 3-4 cm, abaxially sparsely puberulent, often pruinose, reticulate veins conspicuous, adaxially glabrous, base deeply cordate with rounded lobes subequal, margin remotely spinose-serrate, apex acuminate. Flowering stem with 1 simple leaf at base of rachis. Raceme 8-10 cm, 8-12-flowered; rachis glabrous. Pedicel 1-2 cm, glabrous; bracts ovate, ca. 1.5 mm. Flowers purple. Sepals in 2 whorls; outer sepals 4, purple, 2 of them lanceolate, ca. 3 × 1.2 mm, others ovate, ca. 3.5 × 2.5 mm; inner sepals 4, yellow, lanceolate, ca. 3 × 1.2 mm. Petals 4, purple, suboblong, ca. 1.2 mm, without spur. Stamens 4, ca. 2.5 mm; filaments flat; anthers ca. 1.8 mm, apex obtuse. Pistil ca. 2 mm; style ca. 1 mm. Capsules ca. 1 cm; style ca. 3 mm. Seeds 1 or 2, brown, reniform, ca. 3.5 mm, glabrous. Fl. Apr-May, fr. May-Jun.

● Forests, thickets; 1300-1400 m. Guizhou (Songtao).