The below mentioned article provides a study note on Angiosperms - The Flowering Plants. Angiosperms are those seed plants in which seeds are formed inside fruits and the sporophylls are organised into flowers. 1. Flowering plants or angiosperms are the most recently and highly evolved plants. They appeared on earth about 130 million years ago. First angiosperm fossil recorded from [...]
The below mentioned article provides an overview on Families of Angiosperms. Angiosperms = Ovules or seeds enclosed in the ovary. I. Dicotyledons. II. Monocotyledons I. Dicotyledons: Flowers mostly tetra or pentamerous; leaves net veined; cotyledons usually two; stem commonly with vascular bundles arranged in a ring and open. This class is divided into polypetalae, gamopetalae and monochlamydeae. A. Polypetalae: Flowers [...]
In this article we will discuss about the fossil anglosperms of a plant. The fossil remains of true angiosperms are found only in the later geological periods and as a group they are more modern than other vascular plants. The fossil history of Angiosperms is too short to enable us to approach a definite conclusion. The palaeobotanical record of this [...]