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Euphorbiaceae: The Spurge Family

Euphorbiaceae family is very diversified with mostly monoecious herbs, shrubs, and trees and even sometimes succulent and cactus-like members. It is named from one of its member genus ‘Euphorbia‘. This family has about 300 genus and 7500 species all over the world but more often found in warm and temperate …

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Lycopodium: The Creeping Pines

Systematic Position Division: Lycophyta / Lepidophyta Class: Eligulopsida Order: Lycopodiales Family: Lycopodiaceae Genus: Lycopodium Also known as club mosses, Lycopods, creeping pines or tailing pines. Ligule: A membranous outgrowth projecting from the leaf sheath. On the basis of ligule, Lycophyta has 2 classes: Eligulopsida: Lycopodium phylloglossum Liqulopsida – Isoetales, Selaginellales …

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Psilotum: The Whisk Fern

Psilotum is commonly known as Whisk-fern. Salient features of Pilotum The sporophytes are dichotomously branched with an underground rhizome and upright branches. The upright branches are leafless. Rhizoids are present instead of root. Stem has a relatively simple vascular cylinder. The sporangia are born in groups (trilocular) and form synangia. …

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Introduction to Pteridophyta

The word cryptogams is a synthesis of two Greek terms kruptos meaning ‘hidden’ and gamos meaning ‘wedded’. This single term encompasses all plants that reproduce by means of spores and, do not produce seeds. The algae, fungi, bryophytes and pteridophytes are all cryptogams. The pteridophyta are treated as vascular cryptogams …

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Pteridophytes: Classification of Pteridophyta

The term Pteridophyta was first coined by Haeckel. Eichler (1883) divided the plant kingdom into Cryptogamia and Phanerogamia. The Cryptogamia was further divided into Thallophyta. Bryophyta and Pteridophyta. Engler (1909) included the Bryophyta and Pteridophyta under Embryophyta. Due to discovery of the fossil plants, the classification of Pteridophytes has undergone …

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