蔷薇科 英文版.pptVIP

Rosaceae蔷薇科 一Basic features 二 classification 三Active ingredient 一 蔷薇科(Rosaceae) Magnoliopsida(双子叶植物纲) Rosales(蔷薇目). Rosaceae (蔷薇科)have more than 3,000 species(种） of 100 genera （属）, The main producing area is Northern Hemisphere , Across the temperate zone to Subtropical . In china,there is more than 1000 speciesof 50 genera , distribute everywhere. Morphology :Herbal , Shrub or tree (草本、灌木或乔木). Single leave or fronds , Often with stipules(托叶). bisexual Flowers, Radial symmetry (辐射对称）, Receptacle(花托）is Protrusions or subsidence （突起或下陷）。Calyx tube （萼筒）is cup or pot shaped . Sepal 、Petal（萼片，花瓣） Usually is 5 . Stamen （雄蕊）Stamens is more than pistil （雌蕊）。 pistil has one or more. apocarpous or syncarpous(心皮离生或合生)superior ovary or inferior ovary.(子房上位或下位）。Fruit usually are stone fruit（核果）, Pome (梨果）Achene（瘦果） 二 classification According to Receptacle （花托），Number of carpels ，Ovary position and Fruit Type , Rosaceae consist of Spiraeoideae (绣线菊亚科), Rosoideae(蔷薇亚科 ), Prunoideae (梅亚科or李亚科), Maioideae (苹果亚科or梨亚科), Identify points :flowers baseof five基数为5, apocarpous or syncarpous(心皮离生或合生)， superior ovary or inferior ovary.(子房上位或下位）。 Fruit usually are stone fruit（核果）, Pome (梨果）Achene（瘦果） here here here ? K(5) C5 A5-∞ G∞- （一）Spiraeoideae（绣线菊亚科） feature shrubs灌木often no stipules托叶, Receptacle花托 are cup-shaped or plate-shaped, Carpel number usually 5, apocarpous心皮分离, superior ovary , Follicle蓇葖果. representive plant:Spiraea chinensis Maxim(中华绣线菊)，Spiraea japonica var （二）蔷薇亚科(Rosoideae) shrubs or herbs灌木或草本, pinnate shaped fronds羽状复叶, Alternate leaves互生,have stipules有托叶, , Receptacle花托 are pot-shaped, Carpel number more than 1, apocarpous心皮分离, superior ovary , stone fruit（核果）orAchene（瘦果）。 蔷薇科三姐妹 Common plants （三） Maloideae（苹果亚科） 特征 乔木，单叶互生，有托叶；萼片、花瓣各5数；；心皮2~5，合生，，梨果。 Feature tree乔木 ，Single leave， Alternate leaves互生，,have stipules有托叶，Sepal and petal are 5. Most pistil雄蕊多数, Carpel心皮 number from 2 to 5, syncarpous心皮合生， inferior ovary子房下位，Pome (梨果） （四）Prun