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 [...]
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 [...]
Polygonaceae plants are herbaceous or shrubby, rarely climbing plants or trees are met with; stem usually with swollen nodes. Leaves of Polygonaceae is simple, alternate, entire, stipulate; stipules ochreate. Inflorescence is usually a raceme often forming a panicle, rarely the inflorescence is cymose or the flowers are in clusters. Flowers of Polygonaceae is usually bisexual, regular, usually with 2 whorls [...]