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地构叶和马鞭草均为常用中药.地构叶系大戟科植物地构叶Speranskia tuberculata(Bunge)Baill.的干燥地上全草;具有祛风湿、活血、止痛作用.马鞭草系马鞭草科植物马鞭草Verbena officinalis L.的干燥全草;具有活血祛瘀利尿作用.二者干燥的全草破碎后性状很相似,容易混淆,现将二者的鉴别介绍如下.地构叶 全体被灰白色柔毛,茎园柱形或微有棱,分枝,表面淡绿色至灰绿色,叶互生或于基部对生,叶片披针形至长椭园披针形,先端钝尖或渐尖,基部阔楔形或近园形,边缘具稀大牙齿,总状花序顶生,上留有园形小花或扁园形小果,根茎土棕色至淡棕色、茎质脆易折断,味淡微苦.
Composition of leaves and verbena are commonly used traditional Chinese medicine. The structure of the leaves of Euphorbiaceae plant structure leaves Speranskia tuberculata (Bunge) Baill. The dry ground grass; with rheumatism, blood circulation, analgesic effect. Verbena family Verbenaaceae Verbena officinalis L. plant dry grass; with blood stasis and diuretic effect. Drying of the whole plant after the two broken traits are similar, easy to confuse, now the identification of the two introduced as follows. The structure of the entire leaf was gray and white soft Hair, stem or garden cylindrical or slightly angular, branched, pale green to grayish green, leaves alternate or opposite at base, leaf blade lanceolate to elliptic lanceolate, apex blunt or acuminate, base spur Wedge-shaped or near-round, margin with thin teeth, racemes terminal, leaving a garden-shaped flowers or flat garden-shaped small fruit, rhizome brown to light brown, crisp and easy to break the stem, mild and slightly bitter.