Secondary 3 Science (Biology)
Mini-project on Chinese Medicinal Herbs
Information sheet
| Class and Class No. | 3A (1) |
| Class No. | |
| Year: | 2017-2018 |
Instruction: Type in useful information in the space provided.
| Chinese name: | 白花蛇舌草 |
| Family Name (科名): | 茜草科 Rubiaceae |
| Scientific name (學名): | Hedyotis diffusa |
| Common name (俗名): | 蛇舌草 蛇舌癀 蛇針草 龍舌草 龍吐珠 |
| 習性：
一年生披散草本 |
Growth habit:
Annually scattered herbs |
| 葉：
葉對生 無柄 膜質 線形 |
Leaf:
Leaves opposite, Sessile, membranous, linear |
| 花：
花單生或成對生於葉腋，常具短而略粗的花梗，稀無梗；萼簡球形 |
Flower:
Flowers solitary or paired in leaf axils, often with short, slightly thickened pedicels, rarely sessile |
| 果：
蒴果扁球形，室背開裂，花萼宿存 |
Fruit:
Capsule flat spherical, cracked at the back of the chamber, persistent in flower buds |
| 性味功能
性寒；味甘；歸胃、大腸、小腸經。清熱解毒，利尿消腫，活血止痛。 |
Properties
Cold; sweet; stomach, large intestine, small intestine. Diuretic, blood circulation and pain relief. |
| 主治
肺熱喘咳；咽喉腫痛；腸癰；癤腫瘡瘍；毒蛇咬傷；熱淋澀痛；水腫；痢疾；腸炎；濕熱黃疸；擅長治療多種癌腫。 |
Treats
Hyperactivity cough in the lungs; sore throat; intestinal cramps; swollen sores; snake bites; hot shower astringent pain; edema; dysentery; enteritis; hot and humid jaundice; good at treating a variety of cancers. |
| 知多一點點：
|
More to learn:
|
Previous Scientific Research (if any):
| 1. |
Useful Link:
| Topics | Hyperlinks |
| General information on Hedyotis diffusa | https://baike.baidu.com/item/%E7%99%BD%E8%8A%B1%E8%9B%87%E8%88%8C%E8%8D%89/500604 |
| General information on Hedyotis diffusa | http://www.jiankanghou.com/yinshi/34006.html |
| Gallery of Hedyotis diffusa | https://www.google.com.tw/search?hl=zh-TW&q=%E7%99%BD%E8%8A%B1%E8%9B%87%E8%88%8C%E8%8D%89&tbm=isch&gws_rd=ssl#gws_rd=ssl&imgrc=iZx4drXeXtob7M: |
Questions:
| (Beginner) | Guidelines:
Answer can be directly harvested from the information given. e.g. Q1What is Hedyotis diffusa good at? Answer: It is good at treating a variety of cancers. |
| (Elementary) | Guidelines:
Answer can be obtained from the information given and the external links. e.g. Q2Where are Hedyotis diffusa mainly decribed? Answer: They are mainly decribed in Yunnan, Guangdong, Guangxi, Fujian, Zhejiang, Anhui. |
| (Advanced) | Guidelines:
Question requires higher order thinking. More information should be found from external links or reference before answering the questions. Q3 Is there have any other used of Hedyotis diffusa base on the above information ?. Answer: No |
| Class and Class No. | 3A (2) |
| Name | Chan Hoi Yiu |
| Year: | 2017-2018 |
Instruction: Type in useful information in the space provided.
| Chinese name: | 白花蛇舌草 |
| Family Name (科名): | Rubiaceae |
| Scientific name (學名): | Oldenlandia diffusa |
| Common name (俗名): | Hedyotis diffusa |
| 習性：
生長於海拔800米的地區，多生長於山地岩石上，多見於水田、田埂和濕潤的曠地 |
Growth habit:
|
| 葉：
葉多皺縮，破碎，易脫落；托葉長1~2mm。花、果單生或成對生於葉腋。 |
Leaf: Leaves are shrunken, broken and easily fallen; stipules are 1~2mm long. Flowers and fruit are singular or grow in pairs on angles of the stem
. |
| 花：花常具短而略粗的花梗
|
Flower:
flowers have short and slightly thick flower stem |
| 果：葫果扁球形，直徑2~2.5mm，室背開裂，宿萼頂端4裂，邊緣具短刺毛。氣微，味淡。
|
Fruit: Capsule is a flat spherical shape, 2~2.5mm diameter; divided ventricles; calyx persistent with 4 cleavages, with short stinging hairs on the edge. Faint odor; taste bland.
|
| 性味功能
微苦、甘，寒。歸胃、大腸、小腸經。 |
Properties
Bitter, tasteless; cold.
|
| 主治
清熱解毒、消痛散結、利尿除濕。尤善治療各種類型炎症。
|
Treats
Clearing heat, detoxifying, reducing pains, removing stasis, including urination and eliminating moisture. Apply to variable inflammations |
| 知多一點點：
|
More to learn:
|
Useful Link:
| Topics | Hyperlinks |
| General information on Hedyotis diffusa | http://libproject.hkbu.edu.hk/was40/detail?channelid=47953&lang=cht&searchword=pid=B00259 |
| Gallery on Hedyotis diffusa | http://www.twgreatdaily.com/cat57/node1494101 |
| General information on Hedyotis diffusa | http://www.jiankanghou.com/yinshi/34006.html |
Questions:
Write down 3 uses of Hedyotis diffusa.
Ans: It can clearing heat, detoxifying, reducing pains.