WitrynaSelaginella is an evergreen, rhizomatous perennial in the genus of Selaginella from the family of Selaginellaceae. Generally known as spike moss or arborvitae ferns, mainly found in tropical and warm-temperate zones, Selaginella is highly valued as small ornamental plants that provide a very satisfactory blossom miracle. Although share … WitrynaValeria Estrada Selaginella is a small, creeping lycophyte. The plant body is a sporophyte. It also bears microphylls with sporangia aggregated in strobili. The sporangia of Selaginella are heterosporous. Selaginella is commonly called spike moss.
MCQ Questions for Class 11 Biology Chapter 3 Plant Kingdom …
WitrynaSelaginella is heterosporous. The endosporic gametophytes are not retained within the sporangium but are liberated. We have no material of the microgametophyte or antheridia of Selaginella, please refer to Gifford and Foster, pages 139-140 for a fuller explanation of this process. Obtain prepared Selaginella is the sole genus in the family Selaginellaceae, the spikemosses or lesser clubmosses, a kind of vascular plant. This family is distinguished from Lycopodiaceae (the clubmosses) by having scale-leaves bearing a ligule and by having spores of two types. They are sometimes included in an informal … Zobacz więcej Selaginella species are creeping or ascendant plants with simple, scale-like leaves (microphylls) on branching stems from which roots also arise. The stems are aerial, horizontally creeping on the substratum (as in Zobacz więcej A number of Selaginella species are popular plants for cultivation, mostly tropical species. Some of the species popularly cultivated and actively available commercially include: • S. kraussiana: golden clubmoss • S. martensii: … Zobacz więcej Some scientists still place the Selaginellales in the class Lycopodiopsida (often misconstructed as "Lycopsida"). Some modern … Zobacz więcej • Media related to Selaginella at Wikimedia Commons • Data related to Selaginella at Wikispecies Zobacz więcej free 3d animated wallpaper downloads
Selaginella: Habitat, Features and Reproduction - Biology …
WitrynaSelaginella, a pteridophyte which belongs to the class Lycopsida, is: 1. heterosporous and has microphylls 2. homosporous and has macrophylls 3. homosporous and has microphylls 4. heterosporous and has macrophylls Plant Kingdom Botany (2024) Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, … WitrynaSelaginella and Isoetes, remnants of the once highly diverse lycophytes of the Devonian, are herbaceous, free-sporing, and heterosporous. The same is true of the water fern families Marsileaceae and Salviniaceae, which represent a Late Cretaceous origin of heterospory within the leptosporangiate ferns. Witrynaplants are dioecious due to the heterosporous nature of these plants. The gametophytes are depending on the sporophytes for nutrition. Therefore, the sporophytic generation is the dominant generation in heterosporous pteridophytes. Examples of heterosporous pteridophytes are Selaginella, Marselia etc. bliss house bedford in