WitrynaThe sporangia of Selaginella are heterosporous. Selaginella is commonly called spike moss. Phylum Pteridophyta (Ferns) Pteridophytes are also called true ferns. They are quiet diverse and range widely in size. All ferns are characterized by megaphylls-leaves with highly branched veins. WitrynaTranscribed Image Text: While the Lycopodiaceae are homosporous, the Selaginellaceae are heterosporous, producing two types of spores, microspores and megaspores. The strobili of Selaginella. consist of microsporophylls and megasporophylls, bearing microsporangia with microspores and megasporangia with …
Selaginella odishana (Selaginellaceae: Lycopodiophyta), a new …
WitrynaSelaginella is heterosporous, while Salvinia is homosporous 3. Horsetails are gymnosperms 4. Stems are usually unbranched in both Cycas and Cedrus Plant Kingdom Botany Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar … WitrynaHeterosporous pteridophytes produce two types of gametophytes, that is, male gametophytes (microspore) and female gametophyte (magaspores). In Heterosporous pteridophytes, spores germinate within sporangia and produce dependent gametophyte. Examples of Heterosporous pteridophytes are Selaginella, Marselia and Salvinia. skinny pineapple upside down cake
COURSE-III: PTERIDOLOGY, GYMNOSPERMS AND …
Witryna29 paź 2024 · Summary – Homosporous vs Heterosporous Pteridophytes Homospory is a phenomenon in which only one type of spore can be seen. Such ferns are referred to as Homosporous Pteridophytes. Heterospory is the condition in which the plant is capable of producing two types of spores. Is selaginella Homosporous or … Witryna20 paź 2024 · The Selaginella plant, or spike moss, is a non-flowering plant with a unique life cycle that uses microspores and megaspores to reproduce. It requires water for this process to take place. Selaginella plant species number over 700 throughout the world, and have been around for millions of years. Witryna20 lis 2024 · Selaginella P.Beauv. is an extant heterosporous genus belonging to the family Selaginellaceae (Lycopodiophyta) and has an almost worldwide distribution. The genus Selaginella is more diverse and species-rich in the tropics and subtropics with an estimate of 600 – 800 species (Jermy 1990; Frodin 2004; Valdespino et al. skinny plastic bathroom drawers