ORIGINS: On the Origin of Flowering Plants
โ Scribed by Pennisi, E.
- Book ID
- 111697241
- Publisher
- American Association for the Advancement of Science
- Year
- 2009
- Tongue
- English
- Weight
- 838 KB
- Volume
- 324
- Category
- Article
- ISSN
- 0036-8075
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## Abstract Flowers evolved in many steps, probably starting long before flowering plants (angiophytes) originated. Certain parts of flowers are conservative and have not changed much during evolution; others are evolutionarily highly plastic. Here conservative features are discussed and an attempt