In this article we will discuss about the morphology of cycas with the help of diagrams. Cycas is a short palm-like plant (Fig. 15.1). When sterile, it bears a striking resemblance to ferns. This is accentuated by circinate vernation of its leaves. Cycas is a native of tropical and subtropical regions. It grows very slowly in woodlands and Drier Mountain [...]
In this article we will discuss about the anatomy of pinus with the help of diagrams. Anatomy of Needle: The solitary needle of P. monophylla (Fig. 16.3A) is circular. This is semicircular in the two-needle pine (P. merkusii), and triangular in the three-needle pine (P. roxburghii) (Fig. 16.3B). The epidermis is of isodiametric lignified cells covered with cutin. Hypodermis of [...]
In this article we will discuss about the morphology of pinus with the help of diagrams. The plant is a native of temperate regions and high altitudes of tropics. The genus is an evergreen tree of over 100 species. It is spread over Northern Europe, North and Central America, subtropics of North Africa, Canary Islands, Afghanistan, Pakistan, India, Mynmar, Philippines [...]