WebJul 21, 2024 · An Asia-Pacific fern species Pteris terminalis, formerly known as ‘Pteris excelsa’ is variable in terms of frond morphology as well as cytological characters. In particular, the results of previous cytological studies raised question on naturalness of currently accepted infraspecific taxa—‘P. excelsa var. simplicior’ (not yet combined with … WebJun 9, 2024 · Background: The taxonomic classification of the suborder Tintinnina Kofoid & Campbell, 1929, a species-rich group of planktonic ciliated protistans with a characteristic lorica, has long been ambiguous largely due to the lack of cytological and molecular data for most species. Tintinnopsis is the largest, most widespread, and most taxonomically …
Descriptors for capsicum (Capsicum spp.) - Bioversity …
Web1. Accession data 2. Collection data CHARACTERIZATION AND PRELIMINARY EVALUATION 3. Site data 4. Plant data FURTHER CHARACTERIZATION AND EVALUATION 5. Site data 6. Plant data 7. … WebCytopathology (from Greek κύτος, kytos, "a hollow"; πάθος, pathos, "fate, harm"; and -λογία, -logia) is a branch of pathology that studies and diagnoses diseases on the cellular level. The discipline was founded by George Nicolas Papanicolaou in 1928. Cytopathology is generally used on samples of free cells or tissue fragments, in contrast to … rds aws docs
Cytotaxonomy - SlideShare
WebThe evidentiary characters are wood cell type, wood cell size, wood cell shape, wood cell wall sculpture, wood cell patterns, stelar patterns, xylem maturation types, vascular bundle types; types of wood rays ground tissue parenchyma epidermis, mesophyll, stomata, sclereids, trichomes, crystals, nodes, petiole vasculation, venation, phloem cells … WebJun 12, 2015 · It was established that larger leaf area index (19–38%), fewer stomata per unit area (by 39–48%), larger diameter of pollen grains (by 42–92%) is a characteristic … Webfication on cytological characters alone. Such care would seem to be particularly necessary in the case of more remotely allied groups, as it is in such that relationship becomes more uncertain on morpho-logical grounds, since speculations on relationship vary according to which character is considered the most fundamental. how to spell neil armstrong