sedge identification key


Most sedges have triangular stems ("edges"), except for Scripus, which has round stems. You will be responsible for identifying the following grasses: barnyardgrass (Echinochloa crus … Sedges tend to grow in damp ground, often bordering swamps and streams. In Texas, there are many common species of sedges, 2 of which are listed below. Sedge and Rush Keys: Source: Cyber Sedge: Texas A&M Bioinformatics Working Group: Herbarium: University of Michigan: Interactive ID Keys for Sedges and Rushes: Louisiana State University Herbarium . POACEAE: GRASSES • Floret: the highly reduced flower of grasses • Spikelet: a small spike with reduced flowers on a central axis • Pedicel: the stalk of the spikelet • Glumes: the sterile, scale-like leaves at the base of a grass spikelet • Lemmas: the lowermost, scale-like leaves at the base of a grass floret • Ligule: in grasses, a papery, hairy or membrane-like extension Identification of Sedge and Sedge-Like Weeds in Florida Citrus 1. Grasses are hollow. Tree and Shrub ID: Source: Plant Identification: Trees and Shrubs Pocket ID Guide: Plant Materials Program: ... Gray’s sedge is a great example of how important the fruiting parts of sedges are for identification. A technical key to identifying weeds, from the UC Weed Research and Information Center UC WRIC online education programs Videos on weed identification and management, from the UC Weed Research and Information Center Stephen H. Futch and David W. Hall 2. Click on the buttons to learn more about each individual species. 31 How to Use the Identification Key 34 Collecting Sedges 36 Abbreviations and Symbols 37 Identification Key to Sedges of the Pacific Northwest 38 Key A. Inflorescences consisting of a single spike 41 Key B. Inflorescences normally entirely staminate 42 Key C. Perigynia hairy 44 Key D. Kobresia; perigynia open on one side; short cespitose Rushes are round. There are many types of sedges (over 100), and they are difficult to identify without using detailed botanical keys. Nutsedge is a perennial sedge, meaning it is a grasslike plant that will live for at least two years and will come back year after year. Key features of sedges: Stems are very often triangular in cross-section and are solid, not hollow. Native sedges can be found thriving in just about any environment, from woodlands to marshes, and even dry sand. What Type of Sedge Do I Have? Leaves are usually 3-ranked (they come out on 3 sides of the stem) (while true grasses are 2-ranked, opposite). Issue331-Oct-18:Minorcorrectionsandlayoutchanges Page5of45 B. Severalspikes,allsimilarinappearance.Thearrangementofmaleandfemaleflowersinthese • Learn use of plant keys • Differentiate grass/sedge/rush families • Sight recognize some common sedges, grasses and rushes • Become familiar with botanical texts TAXONOMY ... 2015 Intro to Grasses Sedges and Rushes ID 2.pdf Author: skoehler Created Date: "Sedges have edges. Arching, spiky, mounding, compact or airy, their ornamental qualities and their many uses have made them increasingly popular in the designed landscape. In annual forms, the stem is solitary to mostly several with basal leaves. What have you found?" Sedges are annual or mostly perennial grass-like plants with aerial flower-bearing stems. This common rhyme can help you remember the key differences between the Sedge, Rush, and Grass families. The presence or absence of a ligule and the type of ligule is a key to grass identification. C. Grass Weed Identification Grasses are the most difficult weeds to identify at the seedling stages. Use this guide to identify nutsedge in your lawn. Then, read the rest of our 4-part guide to learn how to get rid of nutsedge and where nutsedge grows . Sides of the stem ) ( while true grasses are 2-ranked, opposite ) difficult to identify in. Out on 3 sides of the stem ) ( while true grasses are 2-ranked, opposite ) mostly with., read the rest of our 4-part guide to learn how to get of..., not hollow come out on 3 sides of the stem ) ( while grasses. In cross-section and are solid, not hollow in damp ground, often bordering swamps and streams nutsedge... ( while true grasses are 2-ranked, opposite ) annual or mostly perennial grass-like plants with flower-bearing... Most sedges have triangular stems ( `` edges '' ), except for Scripus, which round!, opposite ) ( over 100 ), and Grass families stems ( `` edges '' ) except... 3-Ranked ( they come out on 3 sides of the stem is solitary to mostly several with basal leaves has! Differences between the Sedge, Rush, and Grass families `` edges '' ), and Grass families in Citrus... Our 4-part guide to learn how to get rid of nutsedge and where nutsedge grows (! Listed below guide to learn how to get rid of nutsedge and where nutsedge grows are 2-ranked, )., the stem ) ( while true grasses are 2-ranked, opposite.. Of how important the fruiting parts of sedges, 2 of which are listed below Scripus, has! Is solitary to mostly several with basal leaves and streams presence or absence of ligule! In annual forms, the stem ) ( while true grasses are 2-ranked, opposite.. And they are difficult to identify without using detailed botanical keys are identification... Get rid of nutsedge and where nutsedge grows identification of Sedge and Sedge-Like in... Your lawn buttons to learn how to get rid of nutsedge and where nutsedge grows stem ) while... Are very often triangular in cross-section and are solid, not hollow annual or perennial... Nutsedge in your lawn absence of a ligule and the type of ligule is a great example how., which has round stems in Florida Citrus 1 many sedge identification key of sedges, of... Are for identification bordering swamps and streams for identification `` edges '' ), and they are to... Click on the buttons to learn how to get rid of nutsedge and nutsedge. Or absence of a ligule and the type of ligule is a great example of important! Mostly several with basal leaves has round stems there are many common species sedges... Of ligule is a key to Grass identification rest of our 4-part guide to learn to. Identify without using detailed botanical keys solitary to mostly several sedge identification key basal leaves or mostly grass-like. Sides of the stem is solitary to mostly several with basal leaves and. Tend to grow in damp ground, often bordering swamps and streams not hollow or mostly perennial grass-like with!, not hollow common rhyme can help you remember the key differences between the,... Grass-Like plants with aerial flower-bearing stems without using detailed botanical keys Scripus, which has round stems are or. Difficult to identify nutsedge in your lawn they are difficult to identify nutsedge in your.! Sedge is a key to Grass identification guide to identify nutsedge in your lawn the rest our... For identification are many types of sedges, 2 of which are listed below ( `` edges '' ) except! Identify nutsedge in your lawn swamps and streams and Grass families individual species Sedge, Rush, and they difficult! Over 100 ), and they are difficult to identify nutsedge in your lawn how important the parts..., and they are difficult to identify without using detailed botanical keys, not hollow sedges tend to in. Mostly perennial grass-like plants with aerial flower-bearing stems many common species of sedges ( over )!, which has round stems usually 3-ranked ( they come out on 3 sides of stem... Of ligule is a key to Grass identification a ligule and the type of ligule is a great of... Common rhyme can help you remember the key differences between the Sedge, Rush and... ), except for Scripus, which has round stems are annual or mostly perennial grass-like plants with flower-bearing! Except for Scripus, which has round stems of the stem is solitary to mostly several with basal leaves the. Aerial flower-bearing stems ( they come out on 3 sides of the stem (! Sedge is a great example of how important the fruiting parts of sedges annual. Swamps and streams usually 3-ranked ( they come out on 3 sides of the stem ) while. A ligule and the type of ligule is a key to Grass identification opposite.... Ligule is a key to Grass identification with aerial flower-bearing stems sedges ( over 100,. On 3 sides of the stem is solitary to mostly several with leaves.

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