| Class and Class No. | 3E ( 10 ) |
| Name. | Chong Yuen Ching |
| Year: | 2017-2018 |
Instruction: Type in useful information in the space provided.
| Chinese name: | 天南星 |
| Family Name (科名): | 天南星科 Araceae |
| Scientific name (學名): | Arisaema heterophyllum |
| Common name (俗名): | Rhizoma arisaematis 一把傘 南星 |
| 習性：
生長濕潤、疏鬆、肥沃的土壤環境，且較能耐寒。 |
Growth habit:
Growing in moist, loose, fertile soil environment, and more resistant to cold. |
| 葉：葉常單，葉柄圓柱形，粉綠色。 | Leaf:
Leaves are often single, petiole cylindrical, in light green. |
| 花：
雌花球形，花柱明顯，柱頭小。雄花具柄，白色。 |
Flower:
Female flowers are spherical, obvious style, small stigma. Male flowers have handle, white in colour, top hole transverse. |
| 果：
漿果，極緊密結合而為聚合果（隱棒花屬；種子1-多數，果為圓形、橢圓形。 |
Fruit:
They are berries, very densely aggregated fruit, (Cryptocoryne). Ther are one or many seeds. Fruit in round or oval shape. |
| 性味功能：
性溫、味苦辛，有毒，功能祛風化痰。 |
Properties:
Warm, bitter taste, toxic, can dispel pathogenic wind and eliminate phlegm. |
| 主治： | Treats:
It treats stroke, tetanus, invantile convulsion, epilepsy; |
| 知多一點點：
天南星科，又名「蛇芋」或「野芋頭」。與芋頭為同科不同屬植物。芋頭可食用，但天南星則含有毒性生物鹼，不能食用，亦需要經過炮製方可作藥材使用。 |
More to learn:
Rhizoma arisaematis, known as “taro” or “wild taro.” Same family with taro but different genus. Taro is edible, but the Rhizoma arisaematis contains toxic alkaloids, not edible, also needed to go through the preparation of herbs then can be used. |
Previous Scientific Research (if any):
| 1. |
Useful Link:
| Topics | Hyperlinks |
| General information on
Rhizoma arisaematis |
https://zh.wikipedia.org/wiki/%E5%A4%A9%E5%8D%97%E6%98%9F |
| Major uses of Rhizoma arisaematis | https://zh.wikipedia.org/wiki/%E5%A4%A9%E5%8D%97%E6%98%9F |
| Emergency treatments of poisoning | http://cht.a-hospital.com/w/%E5%A4%A9%E5%8D%97%E6%98%9F |
Questions:
| (Beginner) | Q1. What is the family of Rhizoma arisaematis ?
Answer: It belongs to Araceae. |
| (Elementary) | Q2. Is there any emergency treatment when people got skin poisoning?
Answer: Wash skin with water or diluted vinegar for skin poisoning. |
| (Advanced) | Q3. Is there any emergency treatment when people got food poisoning?
Answer: Drink diluted vinegar or strong tea or egg white. If breathing is difficult , tracheotomy maybe needed.
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