| Class and Class No. | 3E( 3 ) |
| Name | Chan Hok Kiu |
| Year: | 2017-2018 |
Instruction: Type in useful information in the space provided.
| Chinese name: | 龍膽 |
| Family Name (科名): | Gentianaceae |
| Scientific name (學名): | Elephantopus scaber |
| Common name (俗名): | 龍膽草、膽草、草龍膽、山龍膽。 |
| 習性：
多年生草本 |
Growth habit:
Perennial Herbs |
| 葉：
卵形至披針形葉子對生 |
Leaf:
Egg-shaped leaves |
| 花：
藍紫色花 |
Flower:
Blue-purple flower |
| 果：
果實長橢圓形稍扁，成熟後二瓣開裂，種子多數，很小。 |
Fruit:
/ |
| 性味功能
苦，寒。 |
Properties
Bitter; cold. |
| 主治
清熱燥濕；瀉肝定驚。主濕熱黃疸；小便淋痛；陰腫陰癢；濕熱帶下；肝膽實火之頭脹頭痛；目赤腫痛；耳聾耳腫；脅痛口苦；熱病驚風抽搐。 |
Treats
Clears heat, dried dampness, drains the liver, calms fright. Apply to jaundice due to damp-heat, stranguria, genital itching, hydrothermal leucorrhea, head swelling and pain induced by liver and gall bladder fire, conjunctival congestion and swelling pain, deaf and swelling, hypochondriac pain and bitter taste, convulsion due to heat. |
| 知多一點點：
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More to learn:
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Previous Scientific Research (if any):
| 1. 昆明植物研究所. 龙胆. 《中国高等植物数据库全库》. 中国科学院微生物研究所. [2009-02-24] |
Useful Link:
| Topics | Hyperlinks |
| 龍膽 Longdan | http://libproject.hkbu.edu.hk/was40/detail?channelid=47953&searchword=pid=B00081 |
Questions:
| (Beginner) | Q: What are the uses of longdan?
A: Clears heat, dried dampness, drains the liver, calms fright. Apply to jaundice due to damp-heat, stranguria, genital itching, hydrothermal leucorrhea, head swelling and pain induced by liver and gall bladder fire, conjunctival congestion and swelling pain, deaf and swelling, hypochondriac pain and bitter taste, convulsion due to heat. |
| (Elementary) | Q: Where can longda be found in China?
A: Northeast area. |
| (Advanced) | Q: How to determine a longdan as a high quality longdan?
A: Superior medicinal material is thick, long, yellow or yellowish-brown. |
