Project Gutenberg 2003-03-01 Public domain in the USA. 356 Darwin, Charles 1809 1882 Darwin, Charles Robert The Different Forms of Flowers on Plants of the Same Species Wikipedia page about this book: https://en.wikipedia.org/wiki/The_Different_Forms_of_Flowers_on_Plants_of_the_Same_Species Sue Asscher and David Widger "The Different Forms of Flowers on Plants of the Same Species" by Charles Darwin is a scientific publication written during the late 19th century. The book examines the variations in flower structures among plants of the same species, particularly focusing on the concepts of heterostyly, where plants exhibit different forms of flowers that affect their reproductive strategies. This work extends Darwin's earlier discussions on floral diversity and sexual reproduction in plants, detailing the mechanisms that promote cross-fertilization and hybridization. At the start of the book, Darwin introduces the key subject of plant flower variation, indicating that his observations stem from prior research and discussions within botanical circles. He notes the significant differences between flower forms, such as in primroses and cowslips, where features like the length of pistils and stamens play crucial roles in reproduction and fertility. The opening sets the tone for the subsequent chapters, which delve into specific case studies and empirical data illustrating how these floral structures facilitate or hinder successful pollination and seed production, underscoring their evolutionary implications. (This is an automatically generated summary.) Reading ease score: 57.8 (10th to 12th grade). Somewhat difficult to read. en Plants -- Variation Fertilization of plants Heterostylism Plant physiology Pollination QK Text Botany Browsing: Science - Earth/Agricultural/Farming Browsing: Science - Genetics/Biology/Evolution 754523 2025-06-02T09:36:29.894987 text/html 765363 2022-01-03T06:20:59 text/html 309769 2025-06-02T09:36:40.362901 application/epub+zip 320340 2025-06-02T09:36:33.868946 application/epub+zip 289493 2025-06-02T09:36:32.456924 application/epub+zip 676762 2025-06-02T09:36:45.444872 application/x-mobipocket-ebook 648476 2025-06-02T09:36:39.411884 application/x-mobipocket-ebook 604644 2022-09-02T11:55:14.553426 application/x-mobipocket-ebook 669944 2025-06-02T09:36:29.060940 text/plain; charset=us-ascii 669722 2022-01-03T06:28:57 text/plain; charset=us-ascii 19633 2025-06-02T09:36:45.584860 application/rdf+xml 24562 2025-06-02T09:36:33.033917 image/jpeg 4739 2025-06-02T09:36:32.741917 image/jpeg 203086 2022-01-03T06:29:24 application/octet-stream application/zip 213223 2022-01-03T06:29:45 application/octet-stream application/zip 302101 2025-06-02T09:36:29.945978 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia