In this article we will discuss about:- 1. Distribution of Ephedra 2. Morphological Features of Ephedra 3. Internal Structures 4. Reproduction 5. Economic Importance. Distribution of Ephedra: Ephedra (commonly known as joint pine, joint fir, Mormon tea or Brigham tea) is the only genus in family Ephedraceae and order Ephedrales. It is represented by 50 species. These species grow in [...]
In this article we will discuss about:- 1. Characteristics of Gymnosperms 2. Types of Living Gymnosperms 3. Economic Importance. Characteristics of Gymnosperms: Gymnosperms are, those seed plants in which the seeds remain exposed over the surface of the megasporophylls because the latter are not folded to form pistils. 1. Gymnosperms are a small group of seed plants which are represented [...]
In this article we will discuss about Gymnosperms:- 1. Meaning of Gymnosperms 2. Distinguishing Features of Gymnosperms. Meaning of Gymnosperms: "Phanerogams without an ovary" have been referred as Gymnosperms (Gymnos, naked; sperma, seed) or naked-seeded plants by Goebel. The lower Gymnosperms, such as members of Cycadales resemble with the higher Cryptogams (Pteridophytes), while the higher Gymnosperms such as Gnetales and [...]