Saxifragales
thumb|Floral diagram [[Saxifraga: Bicarpellate Gynoecium|alt=Floral diagram of Saxifraga flower]]
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Species
ORDER
- KingdomPlantae
- PhylumTracheophyta
- ClassMagnoliopsida
- OrderSaxifragales
Habitatbrackish, freshwater
虎耳草目（学名：Saxifragales）是被子植物門中的一个目。 过去虎耳草目被归入薔薇目，根据新的种系发生学研究结果虎耳草目组成一个独立的目。 描述 虎耳草目植物的形态非常多，其中有一年生、多年生的草本植物，也有灌木和树。一些种是多肉植物，两个种是寄生植物。还有一些水生植物。虎耳草目大多显示双子叶特征。叶子一般交叉在茎的两边生长。一般有托叶。 花大多数有五枚花瓣，花瓣和花托的区分非常明显。心皮一般是裸露在外的，往往长在一起。 分类 虎耳草目有以下的科： 楓香科(Altingiaceae) 膠藤科(Aphanopetalaceae) 連香樹科(Cercidiphyllaceae) 景天科(Crassulaceae) 鎖陽科(Cynomoriaceae) 交讓木科(Daphniphyllaceae) 茶藨子科(Grossulariaceae) 小二仙草科(Haloragaceae) 金縷梅科(Hamamelidaceae) 鼠刺科(Iteaceae) 芍藥科(Paeoniaceae) 扯根菜科(Penthoraceae) 圍盤樹科(Peridiscaceae) 齒蕊科(Pterostemonaceae) 虎耳草科(Saxifragaceae) 四果木科(Tetracarpaeaceae) 取自“https://zh.wikipedia.org/w/index.php?title=虎耳草目&oldid=50882990” 分类：虎耳草目 隐藏分类： 物种微格式条目 含有拉丁語的條目
via GBIF
Research
155 papersArticle
37 sectionsContents
- Description
- Taxonomy
- History
- Phylogeny
- Biogeography and evolution
- Subdivision
- Families
- Peridiscaceae
- Paeoniaceae
- Altingiaceae
- Hamamelidaceae
- Cercidiphyllaceae
- Daphniphyllaceae
- Crassulaceae
- Aphanopetalaceae
- Tetracarpaeaceae
- Penthoraceae
- Haloragaceae
- Iteaceae
- Grossulariaceae
- Saxifragaceae
- Cynomoriaceae
- Distribution and habitat
- Conservation
- Cultivation
- Uses
- See also
- Notes
- References
- Bibliography
- Books
- Articles
- APG
- Saxifragales families
- Paleontology
- Websites
- External links
thumb|Floral diagram [[Saxifraga: Bicarpellate Gynoecium|alt=Floral diagram of Saxifraga flower]]
Saxifragales is an order of flowering plants in the superrosid clade of the eudicots. It contains 15 families and around 100 genera, with nearly 2,500 species. Well-known and economically important members of this order include saxifrages (after which the order is named), blackcurrants, redcurrants, gooseberries, peonies, liquidambars, witch-hazel, Persian ironwood, katsura, jade plant, houseleeks, and water milfoil.