The following points highlight the top five selected examples of Incertae Sedis. The examples are: 1. Vojnovskyales 2. Rhexoxylon 3. Nucellangium 4. Hydropteridangium 5. Czekanowskiales. Incertae Sedis: Example # 1. Vojnovskyales: Vojnovskya paradoxa, a gymnosperm of uncertain affinity, has been reported from the Lower Permian rocks of Palaeozoic era of the Pechora basin of the former USSR, and Nevberg (1965) [...]
The following points highlight the top five gymnosperms found in the world. The gymnosperms are: 1. Cycadales 2. Coniferales 3. Taxales 4. Ginkgoales 5. Gnetales. Gymnosperm # 1. Cycadales: Cycadales include only 9 genera and about 100 species. They are distributed only in the subtropical regions of the world. Out of these nine genera of Cycadales, four are distributed in [...]
The following points highlight the top three gymnosperms found in India. The gymnosperms are: 1. Cycadales 2. Gnetales 3. Coniferales. Gymnosperm # 1. Cycadales: Indian Cycadales are represented by only 5 species of Cycas and occur mainly in South India. These are Cycas beddomei (Madras and dry hills of Cudapah in Andhra Pradesh), C. circinalis (Andaman and Nicobar Islands and [...]