For convenience of searching the local plants, the index here follows the Check List of Hong Kong Plants 2004 by AFCD which is based on:
R.C. Ching (1978) - Pteridophytes
K. Kubitski (1990) - Gymnosperms
A. Cronquist (1988) – Angiosperms
However, please note that there are several classification systems of Angiosperm like:
1. Dahlgren 1980
2. Cronquist 1988
3. Thorne 1992
4. Takhtajan 1997
and more background information
here on Angiosperm classification
According to the Check List, Hong Kong has
| Pteridophytes | Gymnosperms
| Angiosperms
| Total
|
Family
| 46 | 10 | 205 | 261 |
Genus
| 93 | 22 | 1259 | 1374 |
Species
| 229 | 33 | 2902 | 3164 |
Of course, new species are found continuously. The number shown above does not mean it is a fixed number. More new species will be added in later versions. Apart from the numbers, the ranking in the classification system keeps changing too. With the development of DNA technology, some species is reallocated in a different rank, like
Rafflesia sp. (not found in HK) was in it own Family Rafflesiaceae. However, this family is cancelled recently after its DNA analysis (Davis
et al., 2007) showed it is placed in Euphorbiaceae.
Cecily & Roger.
References:
Ching, R.C., 1978. The Chinese Fern Families and Genera: Systematic Arrangement and Historical Origin. Acta Phytotaxonomica Sinica 16(3): 1-19; 16(4): 16-37.
Cronquist, A., 1988. The evolution and classification of flowering plants, 2nd ed. New York Botanical Garden, Bronx, New York, USA
Dahlgren, R., 1980. A revised system of classification of the angiosperms. Botanical Journal of the Linnean Society 80: 91-124.
Davis, C.C., Latvis, M., Nickrent, D.L., Wurdack, K.J. & Baum, D.A., 2007. Floral Gigantism in Rafflesiaceae. Science [DOI: 10.1126/science.1135260] [abstract]
Kubitski, K., 1990(-1998). The Families and Genera of Vascular Plants Vol. I - IV. Springer, New York.
Takhtajan, A., 1997. Diversity and classification of flowering plants. Columbia University Press, New York, USA.
Thorne, R.F., 1992. Classification and geography of the flowering plants. Botanical Review 58: 225-348.
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為方便搜索，此植物索引的排列次序將會根據漁農自然護理署出版的『香港植物名錄2004』而編製。而『香港植物名錄2004』則是按以下的分類系統而排列：
秦仁昌R.C. Ching (1978) – 蕨類植物Pteridophytes
K. Kubitski (1990) – 裸子植物Gymnosperms
A. Cronquist (1988) – 被子植物Angiosperms
但請留意，被子植物還有以下4個不同的分類系統：
1. Dahlgren 1980
2. Cronquist 1988
3. Thorne 1992
4. Takhtajan 1997
更多關於被子植物分類系統的資料，可參考
此網頁
根據『香港植物名錄2004』，香港有記錄的植物種類數目如下：
| 蕨類植物 | 裸子植物
| 被子植物
| 總數
|
科
| 46 | 10 | 205 | 261 |
屬
| 93 | 22 | 1259 | 1374 |
品種
| 229 | 33 | 2902 | 3164 |
由於新品種不斷被發現，故植物品種的數目將會不斷增加。除了品種的數目外，植物的科屬分類也由於脫氧核糖核酸（DNA）的技術發展而不斷改變，有些植物品種或會被重新分類，例如：大花草屬植物
Rafflesia sp.（香港沒有記錄）本來是自成一科（大花草科），但經過DNA分析後(Davis
et al., 2007)，它現在是歸入大戟科
Euphorbiaceae 。
Sze中譯（譯得不好，請多多包涵及指教）
[
本帖最後由 Sze 於 2007-3-2 00:41 編輯 ]
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