Leave a comment Post navigation. Often members have three sharp sides, note the phrase "sedges have edges". Know Your Stuff Sedges, Rushes & Grasses Sedges have edges, rushes are round and grasses have knuckles right down to the ground. While sedges appear similar to grasses, they are actually in a different plant family. Collins Guide to the Grasses, Sedges Rushes and Ferns of Britain and Northern Europe. Feb 28/14: Site redesign - New look, same great content! The stems furnish the best clue for distinguishing among the three groups. “Sedges have edges, rushes are round and grasses are hollow right up from the ground!” see over g . The “edges” are there because of the way the leaves meet each other along their edges, while the “round” rushes usually have one leaf sheathing the stem. Sedges, Grasses, and Rushes Rushes Rushes have stems that are clearly cylindrical or round. These hollow stems bring air to the base of the plant, since its roots are often submerged in mud and unable to get sufficient oxygen. “Nodes” are swollen regions of the stem, where leaves are attached, and can be felt by running your hand along the stem. Thanks John. Sedges have edges, rushes are round and grasses have knees that bend to the ground. Distinguished from other two families by lacking hollow stems and lacking nodes or joints. Time has forgotten who first arranged this ditty, but over the years it has helped beginning botanists remember how to correctly categorize the range of single-stemmed, upright growing, grass-like plants. Email This BlogThis! Here is a little rhyme to help tell the three apart: "sedges have edges, rushes are round, and grasses have joints." Then, look at the leaves. Permalink. There is a poem of some sort that contains the line "sedges have edges" Does anyone know of it? A useful saying to tell grasses, sedges and rushes apart (although this is not strictly true for all species) is: 'sedges have edges, rushes are round and grasses are hollow right up from the ground'. What is a sedge? Sedges have triangular-shaped, solid stems. We like to remember with this little poem: sedges have edges, rushes are round, grasses have joints all the way to the ground. r***@gmail.com 2019-04-10 12:46:00 UTC. Sedges have edges, and rushes are round, But grasses have nodes from their tips to the ground. Sedges also lack the swollen nodes or joints and tend to be darker green than most of our native grasses. Sedges have edges, and rushes are round, But grasses have nodes from their tips to the ground. Inland Rush - 8 - 34 in. Look for joints. While rushes are round. Sedges have edges, rushes are round, grasses have joints all the way to the ground. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,450grams, ISBN:9780002191364. Jan 21, 2014 - Here is a great resource on Sedges in Maine. Sedges have edges,/rushes are round, And grasses are hollow/except for the several genera that have solid internodes. Sedges have edges, rushes are round, and grasses have joints. More information about this seller | Contact this seller 7. Sedges, fond of wet places, flower from the sides of stalks which have edges. The phrase “sedges have edges and rushes are round” helps to differentiate these plant types from grasses, which have jointed stems. Grasses prefer dry places and flower from the top of round stalks which are jointed, like bamboo, a woody grass. USUALLY! Sedges and rushes provide food for a host of wetland and woodland wildlife, such as ducks, beaver, and deer, as well as for livestock. Grasses ( Poaceae ) have hollow stems with nodes, or joints, that often have a leaf attached to the node. Sedges vs. Grasses vs. Sedges and rushes are often confused with grasses, for all three usually have long thin stems and long, relatively narrow leaves with parallel veins. It is no longer socially acceptable, but goes “Sedges have edges and cut, Rushes rush down with joints in the ground, but Grasses like asses are round and have holes” This taught young and old alike how to differentiate the two; crude and funny, but everybody would remember. This entry was posted on July 4, 2013. Whilst you are out enjoying your various pursuits in the mountains of Britain the vast areas of grassland that make up extensive areas of our upland regions often go without much consideration for their diversity or history. Post or e-mail. Pluck a flowering stalk of grass and see if you can find the joints. Rushes are always round but so are many grasses and sedges . Amateur botanists often remember the sedges by the following mnemonic: “sedges have edges, rushes are round, grasses have knees that bend to the ground”. Like grasses and sedges, the rush (Juncaceae) family is part of the enormous grouping of Flowering plants known as Angiosperms and so are frequently confused with each other as they often have very similar characteristics. OK, how about: Sedges have edges,/rushes are round, And grasses are usually/hollow, I've found. When cut from the plant, the stems are hollow and look like miniature soda straws. The "edge" refers to the edges of the triangular stems most sedges share. Frequently, people just lump all these monocots together and just ignore them. I'll admit that the scansion could use a little work--but more accurate, hmm? What's New (40 species now on this site, 92 species still to come) Nov 18/14: Species names are being updated to conform to VASCAN. Rushes ( Juncaceae ) often look similar to sedges, but their stem is round. Sedges (Cyperaceae) More ancient than grasses (appearing more than 160 million years ago), and more tolerant of wet conditions. Grasses, sedges and rushes belong to different plant families, and they have distinct characteristics that set them apart from each other. Why was this important and is it still important today? The leaves of rushes are flat and are on two sides of the stem, like grasses. at 10:29 AM . We like to remember with this little poem: sedges have edges, rushes are round, grasses have joints all the way to the ground. The stems of sedges and rushes are solid; in cross-section the stems of rushes are round, while those of sedges are triangular and so have edges. Juncus interior . The bunchy way it's … Carex gravida . Graminoids - Grasses, Sedges and Rushes. Rush stems, on the other hand, are round and solid. Sedges usually have a triangular stem, rushes have round stems, and grasses have a jointed stem. If so, I'd like the details. helps sort out most of the differences but there can still be some confusion. "Sedges have edges; rushes are round; and grasses are hollow right up from the ground." Sedges (Cyperaceae) have a triangular solid stem, so when you feel it between your fingers, there is an edge. (A few exceptional species have stems that are completely solid.) I have also included a graphic below which illustrates the differences between grasses, sedges, and rushes. Sedges have edges, rushes are round, and grasses are hollow right up from the ground. Grasses have round, hollow stems with solid joints called nodes. Sedges, grasses, and rushes often inhabit wet areas. 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