琼花生殖器官结构及传粉昆虫的观察 - Journal of Systematics and .PDF

植 物 分 类 学 报 45 (6): 753–768 (2007) doi:10.1360/aps06018 Acta Phytotaxonomica Sinica 琼花生殖器官结构及传粉昆虫的观察 1,2 * 1 3 4 1 2 金 飚 李 娜 贾 妮 周武忠 王 莉 向其柏 1(扬州大学园艺与植物保护学院 扬州 225009) 2(南京林业大学森林资源环境学院 南京 210037) 3( 中国科学院植物研究所植物园 北京 100093) 4(东南大学旅游系 南京 210096) Observations on the anatomy of reproductive organs and the pollinators of Viburnum macrocephalum f. keteleeri (Caprifoliaceae) 1,2 * 1 3 4 1 2 JIN Biao LI Na JIA Ni ZHOU Wu-Zhong WANG Li SHANG Chih-Bei 1(College of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225009, China) 2(College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China) 3(Botanical Garden, Institute of Botany, the Chinese Academy of Sciences, Beijing 100093, China) 4(Department of Tourism, Southeast University, Nanjing 210096, China) Abstract To a better understanding of the evolutionary mechanism between reproductive organs and pollinators in Viburnum, this paper reports reproductive characteristics of Viburnum macrocephalum f. keteleeri, including floral characteristics, anatomical features of reproductive organs, pollen viability, pollen/ovule ratio (P/O), pollinators, pollen tube growth path, breeding system, and fertilization. This species possesses a compound umbel including fertile and infertile flowers. The fertile flower has one pistil and five