Notes

Plants with well-differentiated reproductive parts that ultimately make seeds are called Phanerogams”. (Source: NCERT)
Phanerogams are seed-producing plants, and they are the most advanced plant group of the plant kingdom. Phanerogams are formed by two Greek words, “Phaneros”, which means visible and “Gamos”, which means marriage. Phanerogams are also known as Spermatophytes. Gymnosperms are naked seeded plants. They are also known as primitive seed plants. The word gymnosperm is formed by two Greek words, “Gymno”, which means naked and “Sperma”, which means seed = 1. They have restricted distribution in the colder regions of the world.
2. Tall, woody, perennial trees mainly represent them. Few forms are woody climbers. Herbs are absent.
Angiosperms are also known as flowering plants, and they have seeds enclosed within the fruits. The word angiosperm originated from “Angion”, which means hidden, and “Sperma”, which means seed. The features of angiosperms are :- 1. They are found in all types of habits and habitats.
2. They are practically adapted to various environmental conditions, like high mountains, desert, water, land, etc.
3 .They are found in various forms, like herb, shrub, tree, creeper, twinner, climber, epiphyte, etc.
4. Flowers are the most beautiful part of these angiosperms, and they add beauty to these plants.