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 [...]
In this article we will discuss about:- 1. Characters of Magnoliaceae 2. Distribution of Magnoliaceae 3. Economic Importance 4. Affinities. Characters of Magnoliaceae: Trees and shrubs; two ranked stipulate leaves, stipules enclose young buds; flowers hermaphrodite, actinomorphic, large; perianth usually trimerous, whorled or spiral; stamens and carpels numerous; apocarpous, spirally arranged on elongated axis, fruit an etario of follicles or [...]
In this article we will discuss about:- 1. Characters of Menispermaceae 2. Distribution of Menispermaceae 3. Economic Characters 4. Affinities. Characters of Menispermaceae: Mostly woody vines - lianas, dioecious; flowers trimerous, unisexual; double whorls of sepals and petals; curved seed. A. Vegetative Characters: Habit: Mostly twining, woody vines (lianas), rarely erect shrubs or small trees. Root - Tap and branched. [...]