一把掌为云南少数民族习用药物之一。普米族名称“一把掌”,又称“卢子摘”,白族称之为“勾勾来”。主治急慢性肝炎、支气管炎、肺结核、咳嗽痰多、胃痛、跌打损伤等。已有人从本品根中分离得岩天麻素(yantianmasu)。但生药学方面的工作尚未见报道,本文报告生药学方面的工作。一、植物来源原植物经昆明植物研究所鉴定为菊科植物网脉橐吾Ligulariadictyoneura (Franch.) Hand. Mazz.,药用其带有根茎的根。多年生草本,高20～100 cm,全体无毛。根簇生。茎基部具残存的枯叶纤维。基生叶 One of the hand-picked medicines for ethnic minorities in Yunnan. The Pumi name “a palm”, also known as “Lu’s pick”, the Bai people call it “go to hook.” Indications acute and chronic hepatitis, bronchitis, tuberculosis, cough, stomach pain, bruises and so on. Rocky gastrodin (yantianmasu) has been isolated from this root. However, no work on pharmacognosy has been reported yet. This article reports on the work of pharmacognosy. I. Plant source The original plant was identified by the Kunming Institute of Botany as the Asteraceae Ligulariadictyoneura (Franch.) Hand. Mazz., medicinal roots with its roots. Herbs perennial, 20 to 100 cm tall, all glabrous. Root clusters. Stem base with residual leaves fibers. Basal leaves