Content Guidelines 2. 1944. https://www.britannica.com/plant/Cyperaceae. Of these 5,732 are accepted species names. They usually have five sepals and petals and many stamens. Hermaphrodite, zygomorphic, complete, hypogynous, trimerous. In this article, Scirpus is recognized in a narrow sense to include only the leafy bulrushes (about 40 species) in order to more accurately reflect the evolutionary relationships within the family. Family Cyperaceae – Sedge family : Contains 40 Genera and 1327 accepted taxa overall : Down one level : Genus Abildgaardia Vahl – sedge P: Genus Blysmus Panzer ex Schult. 17 Sedges have solid, nonjointed, and often triangular stems compared with the hollow, round, jointed stems of grasses. In Singapore there are 18 genera In India it is represented by 441 species. Although there is a large number of species in Arctic, temperate, and tropical regions, the diversity of genera is far greater in tropical regions. Seeds: Ecology, Biogeography and Evolution of Dormancy and Germination. 4. 2) Diagram and label the morphological characteristics of vegetative and reproductive stages in Cyperaceae. It comprises 70 genera and 4000 species. Inconspicuous flowers arranged in spikelets, panicles or in spikes of cymose rarely solitary terminal (Oreobolus). All Cyperus have a uniform embryo type and a relatively consistent morphology. grass family. Most species in the family grow in damp to wet areas. In Cyperaceae florets are borne axillary while in Poaceae (Gramineae) they are terminal in position. This is a question and answer forum for students, teachers and general visitors for exchanging articles, answers and notes. 3. Adventitious, fibrous, branched or tuberous. Disclaimer Copyright, Share Your Knowledge Characters of Cyperaceae 2. They may be terrestrial or aquatic. They are found in deserts. Description Carex glaucescens, an attractive sedge native to North America, in the Cyperaceae family, is found along pond or stream margins, in bogs, swamps, ditches, wet meadows, and in seasonally wet areas. Stamens 3, polyandrous, anthers linear, obtuse, yellow, introrse, dithecous, basifixed. 3) Sight identification of genera and species in Cyperaceae and Juncaceae The stamens are long and conspicuous ; in eucalypts, the petals and sepals are joined to form a cap over the bud Family Cyperaceae (The sedges): There are numerous genera within the family Cyperaceae that you will encounter at DWP. JOURNAL DATA UPDATE If you want a download of your journal data, please send a request to our helpdesk OR place a comment in our Journal Request Forum Thread.Journals are set to be removed by the end of the year so don't delay! Leaves of many species have sharp and saw-like edges. Cyperaceae are also known as bullrushes, and are often found in marshy areas. Each of the six large genera except for Carex are primarily found in warm temperate or tropical regions, with only a few cold temperate species. In Kobresia ovary is enclosed in a bract or utricle. Yeast: Origin, Reproduction, Life Cycle and Growth Requirements | Industrial Microbiology, How is Bread Made Step by Step? 3) Sight identification of genera and species in Cyperaceae and Juncaceae Pre-registration is required. 3) Sight identification of genera and species in Cyperaceae and Juncaceae It has an almost cosmopolitan distribution, being absent only from Antarctica. ), bulrushes (Schoenoplectus spp. It matures as an achene (a dry seed) or a nutlet. 1. Palla – bulrush P: Genus Bulbostylis Kunth – hairsedge P: Genus Calliscirpus C.N. The ovary is positioned superior and consists of 2 or 3 united carpels, aborting all but one to form a single chamber. Schoenus is basically found in the Old World, with only a few of its species located in the New World. Spikelets of Cyperaceae are not homologous with that of the Poaceae (Gramineae). Economic Importance 4. Epiphytes are very rare among the sedges, occurring primarily in the South American genus Everardia. Other large genera are Bulbostylis, with approximately 100 species; Schoenus, also with about 100 species; and Mapania, with up to 80 species. Our mission is to provide an online platform to help students to share notes in Biology. Many species of sedges that occur in northern latitudes have circumpolar distributions. Carex arenaria and species of Cyperus are good sand binders. It has an almost cosmopolitan distribution, being absent only from Antarctica. 3) Sight identification of genera and species in Cyperaceae and Juncaceae Brown pendulous, pistillate spikes bloom late spring to early summer with yellowish, smooth glaucous fruits developing in late summer. The superficial grass-like habit is of no phylogenetic significance. Other common species names include "rush" and "bulrush." Flowers are actinomorphic and without subtending bracts (ebracteate). The Cyperaceae family is the 10th largest plant family on Earth. Leaves are three-ranked or tristichous. Flora Malesiana series 1, 9: 107-187 Larridon, I, R Govaerts, K Bauters & P Goetghebeur. Updates? The tubers of Scirpus kysoor, S. grossus are used in diarrhoea and vomitting. Sessile, bracteate, zygomorphic hermaphrodite or unisexual arising in the axil of a single glume, hypogynous, small. Botany, Plant Taxonomy, Angiosperms, Monocotyledons, Families, Cyperaceae. 2) Diagram and label the morphological characteristics of vegetative and reproductive stages in Cyperaceae . Plants are commonly perennial herbs rarely annual; perennating by means of creeping rhizomes or tubers. There are typically 3 stamens (sometimes 6 or 1). Sedge Family. The members are distributed throughout all the continents except Antarctica. The tubers and rhizomes of Cyperus articulatus, C. iria, C. longus are carminative, stimulant and tonic. Most monocots are herbaceous annuals or perennials that shoot each season from an underground storage organ (bulb, corm or rhizome) although some do form small woody trees (e.g. This is an abnormal behaviour shown by the members of the Cyperaceae family, which is against the n + n/4 division rule, where n represents the number of seeds. KEY CHARACTERISTICS OF MONOCOT. Some are so minute you need a hand lens to accurately inspect the plant, while others can be taller than you and/or occur in large, sprawling colonies. Family Myrtaceae Characteristics . Hutchinson and Wettestein placed the family Cyperaceae in a separate monotypic order Cyperales and considered it to have been derived from the members of Juncales or Juncaceae on parallel line with Poaceae (Gramineae). The common name for the Cyperaceae family is sedge, which is the common name of many species. 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