Origin, Evolution, and Diversification of Gymnosperms: A Complete Guide
Gymnosperms are a group of seed-producing plants characterized by naked seeds, typically borne on cones or strobili. They are among the earliest seed plants and […]
Category Archives: Gymnosperms
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Cycadeoideales (Bennettitales): General Characters, Distribution, Examples and Affinities
Cycadeoideales (Bennettitales) were an extinct group of seed plants that flourished during the Mesozoic era, especially from the Triassic to mid-Cretaceous periods. They resembled modern […]
Caytoniales PPT (General Characteristics)
Caytoniales PPT: Caytoniales are an extinct group of seed ferns that thrived during the Mesozoic era, particularly in the Jurassic and Cretaceous periods. They are […]
Caytoniales: Characteristics, Examples and Affinities
Caytoniales are an extinct group of Mesozoic gymnosperms known primarily from fossil remains. They are characterized by fern-like compound leaves, enclosed ovules within fleshy cupules, […]
Cordaitales: Characteristics, Examples and Affinities
Cordaitales is an extinct group of primitive gymnosperms that thrived predominantly during the late Paleozoic era, particularly in the Carboniferous and Permian periods. They are […]
Fertilization, Embryo Development and Life Cycle of Cycas (Short Notes)
Life Cycle of Cycas <<< Part 7 This is the Final Part (Part 8) of the Lecture Notes Series in Cycas. Here we will continue […]
Development of Male and Female Gametophyte and Archegonia in Cycas
Part – 7: Development of Male and Female Gametophytes in Cycas <<< Part 6 —- Part 8 >>> This is the Part 7 of the […]
Cycas Reproduction: Structure of Female Cone, Megasporophyll and Megasporangia
Part – 6: Female Reproductive Structures <<< Part 5 — Part 7 >>> This is the Part 6 of the Lecture Notes Series in […]
Cycas Reproduction: Structure of Male Cone, Microsporophyll and Microsporangia
Part – 5: Male Reproductive Structures <<< Part 4 —- Part 6 >>> This is the Part-5 of the Lecture Notes Series in Cycas. […]