Secondary 3 Science (Biology)
Mini-project on Chinese Medicinal Herbs
Information sheet
| Class and Class No. | 3A ( 6 ) |
| Name: | Chung Wan Man |
| Year: | 2017-2018 |
Instruction: Type in useful information in the space provided.
| Chinese name: | 長春花 |
| Family Name (科名): | 夾竹桃科Apocynaceae |
| Scientific name (學名): | Catharanthus roseus |
| Common name (俗名): | Madagascar periwinkle Rose periwinkle日日春 金盞草 |
| 習性：
性喜高溫、高濕，不耐嚴寒，最適宜溫度為20℃-33℃，喜陽光，忌濕怕澇 |
Growth habit:
Favours high temperature, high humidity and sunlight. The suitable temperature for growth is 20℃-33℃. Should avoid getting wet. |
| 葉：
葉膜質，倒卵狀長圓形，長3-4厘米，寬1.5-2.5厘米，先端渾圓，有短尖頭。葉脈在葉面扁平，葉背略隆起，側脈約8對。 |
Leaf:
Membranous leaves, upside-down egg-shaped, 3-4 cm in legth, 1.5-2.5 cm in width. Round on one side and pointy on the other. Flat veins on the top and slightly swells up at the bottom. Approximately 8 pairs of veins. |
| 花：
聚繖花序腋生或頂生, 花冠紅色，高腳碟狀，花冠筒圓筒狀。花期幾乎全年。 |
Flower:
Cyme, can be axillary flowers or terminal flowers. Has a red corolla in slaverform, cone-shaped corolla tube. Flowering occurs throughout most of the year. |
| 果：
蓇葖雙生，直立，平行或略叉開，長約2.5厘米，直徑3毫米；外果皮厚紙質，有條紋，被柔毛。果期幾乎全年。 |
Fruit:
Follicle, upright, parallel, or slighty apart. 2.5 cm in length, 3mm diameter. Thick, papery exocarp with stripes and soft hair. Fruit matures throughout almost the whole year. |
| 性味功能 | Properties
Slighty bitter tasting, cool. Detoxicant, anti-cancer, antipyretic, liver regulating. |
| 主治 | Treats
Treats various types of cancer, high blood pressure, swells, sores and burns |
| 知多一點點：
長春花全株有毒，尤其是折斷其莖葉，流出的白色 乳汁，萬一誤食會造成白血球和血小板減少，並出現肌肉無力、四肢麻痹的症 狀，因此處理上須格外謹慎。 |
More to learn:
Madagascar periwinkle is toxic as a whole, especially its stem. If consumed, it will lead to the decrease of white blood cells and blood platelets, fatigue and numbness. |
Previous Scientific Research (if any):
| 1. https://www.sciencedirect.com/science/article/pii/S0378874101002549
Effect of an antidiabetic extract of Catharanthus roseus on enzymic activities in streptozotocin induced diabetic rats
|
Useful Link:
| Topics | Hyperlinks |
| Chinese medicinal information on Madagascar periwinkle | http://www.zysj.com.cn/zhongyaocai/yaocai_c/changchunhua.html |
| Method of planting Madagascar periwinkle | http://www.aihuhua.com/huahui/changchunhua.html |
| The use of Madagascar periwinkle | http://www.pingguolv.com/zy/gongxiao/75888.html |
Questions:
| (Beginner) | Guidelines:
Answer can be directly harvested from the information given. e.g. Q1. Where does Madagascar periwinkle usaually grows in? Answer: …….. |
| (Elementary) | Guidelines:
Answer can be obtained from the information given and the external links. e.g. Q2. What can Madagascar periwinkle treat? Answer: …….. |
| (Advanced) | Guidelines:
Question requires higher order thinking. More information should be found from external links or reference before answering the questions. Q3. How can Madagascar periwinkle be used and consumed? Answer: …….. |
