Casuarinaceae are perennial shrubs or trees, evergreen, with jointed stem and branches and a whorl of slender branches at each joints or nodes; branchlets grooved, green in colour and resemble the pine-needles to some extent; branches and branchlets usually drooping. Leaves scale-like, whorled at each node, united at the base forming toothed sheath round the axis. Flowers of Casuarinaceae are [...]
In this article we will discuss about the classification of Urticales. According to Engler and Prantl, Urticales consists of three families:- 1. Ulmaceae 2. Moraceae 3. Urticaceae. Family # 1. Ulmaceae: Ulmaceae are trees or shrubs, often with mucilage, evergreen or deciduous. Leaves of Ulmaceae are simple, stipulate, distichous, often with asymmetrical blades; stipules caducuous. Flowers of Ulmaceae is minute, [...]
The below mentioned article provides a short notes on Podostemonales. Family Podostemaceae: Podostemaceae is a submerged aquatic plants growing on rocky substratum under running water; the vegetative body of Podostemaceae is a flat and dorsiventral structure, thallus like in appearance or filamentous, sometimes slender and threadlike. Leaves of Podostemaceae are very small and scaly or moss like, often linear or [...]