Explain how angiosperms are classified into different types based on habitat.
Angiosperms can be classified into following types based on habitat:
1. Hydrophytes – Growing in aquatic habitat e.g. Hydrilla
2. Xerophytes – Growing in regions with scanty or no rainfall like desert e.g. Opimtia
3. Psammophytes – Growing in sandy soil e.g. Elymus
4. Lithophytes – Growing on rock e.g. Couchidium, Cladopus, Dalzellia, Paphiopedilum orchids, rock felt fem.
5. Halophytes – Growing in saline soil e.g. Mangrove plants like Rhizophora