首页分享观花植物左检索表.docx

观花植物左检索表.docx

来源：花匠小妙招时间：2025-01-11 22:21

观花植物左检索表

中国农业大学东校区春季开花植物花器官分类检索表得10分。得10分。 1草本········································································2 1 木本········································································4 2 雄蕊背部具细管状距···················································紫花地丁 2 花不具距····································································3 3 头状花序·······························································蒲公英 3 总状花序·······························································二月兰 4 花瓣合生····································································5 4 花瓣离生····································································7 5 花瓣颜色为紫色或白色·····················································丁香 5 花瓣颜色为黄色······························································6 6 花冠通常6裂···························································迎春花 6 花冠通常4裂·····························································连翘 7 假蝶形花冠··································································8 7 非假蝶形花冠································································9 8 单叶互生，心形，全缘（叶缘有增厚的透明边），光滑无毛····················· 紫荆 8 成下垂的总状花序，叶广卵圆形，先端急尖，基部截形或浅心形，背面有短绒毛，脉上毛较多·································································垂丝紫荆 9 花叶同放···································································桃 9 花叶不同放·································································10 10 先花后叶··································································11 10 先叶后花··································································17 11 雄蕊和雌蕊均多数，分离，螺旋状排列于柱状花托上····························12 11 无柱状花托································································14 12 花大，花萼、花瓣相似，共9片，纯白色····································玉兰 12 花大，花瓣6片，萼片3·····················································13 13 花瓣外面紫色，里面近白色··············································紫玉兰 13 花瓣外面多淡紫色，基部色较深，里面白色······························二乔玉兰 14 花单生····································································15 14 花簇生