The following points highlight the eight main rules of nomenclature. The rules are: 1. Nomenclatural Type 2. Rule of Priority 3. Names of Taxa 4. Effective and Valid Publication 5. Retention of Specific and Infra-specific Epithets 6. Rejection of Names 7. Splitting of a Genus 8. Synonym and Basionym. Nomenclature: Rule # 1. Nomenclatural Type: The nomenclatural type is that [...]
In this article we will discuss about the Classification of Pandanales. According to Engler and Prantl, Pandanales consists of three families:- 1. Typhaceae 2. Sparganiaceae 3. Pandanaceae. Family # 1. Typhaceae: Typhaceae are aquatic herbs growing in fresh water or in marshes, with a long creeping rhizome and erect simple shoots arising from the axils of lateral scales of the [...]
In this article we will discuss about the Classification of Helobieae. According to Engler and Prantl, Helobieae consists of five families:- 1. Potamogetonaceae 2. Najadaceae 3. Alismaceae 4. Butomaceae 5. Hydrocharitaceae. Family # 1. Potamogetonaceae: Potamogetonaceae are the aquatic herbs with perennial rhizome growing in fresh water or in marshes, often marine. Leaves are submerged or floating, alternate or sometimes [...]