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Sedges

sedge

1. (Science: botany) Any plant of the genus Carex, perennial, endogenous herbs, often growing in dense tufts in marshy places. They have triangular jointless stems, a spiked inflorescence, and long grasslike leaves which are usually rough on the margins and midrib. There are several hundred species.

The name is sometimes given to any other plant of the order Cyperaceae, which includes Carex, Cyperus, Scirpus, and many other genera of rushlike plants. These are plants that look a bit like grasses, but they belong to a different plant family, the Cyperaceae.

most grasses have stems that are round in cross-section, while the stems of sedges are triangular in cross-section, thus you can remember the difference with the rhyme sedges have edges.

2. (Science: zoology) A flock of herons. Sedge ken, a small European singing bird (Acrocephalus phragmitis). It often builds its nest among reeds.

Synonym: sedge bird, sedge wren, night warbler, and Scotch nightingale.

Origin: OE. Segge, AS. Secg; akin to LG. Segge; probably named from its bladelike appearance, and akin to L. Secare to cut, E. Saw a cutting instrument; cf. Ir. Seisg, W. Hesg. Cf. Hassock, Saw the instrument.


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Plants

... stronger, more prolific, and may overwhelm those less able to benefit. The nature of plant populations in various areas probably will change; more sedges in place of grasses in marshlands, for example, consequences we don't yet know. :roll:

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by Markus
Sun Feb 05, 2006 4:35 am
 
Forum: Botany Discussion
Topic: Plants
Replies: 3
Views: 2672

Plants

... stronger, more prolific, and may overwhelm those less able to benefit. The nature of plant populations in various areas probably will change; more sedges in place of grasses in marshlands, for example, consequences we don't yet know. :roll:

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by Markus
Sun Feb 05, 2006 4:34 am
 
Forum: Botany Discussion
Topic: Plants
Replies: 3
Views: 2672

Practical Exam Help required!

... nigrum), willow (Salix spp.), red raspberry (Rubus idaeus), sheathed cottonsedge (Eriophorum vaginatum), bracken fern (Pteridium aquilinum), sedges (Carex spp.), hairgrass (Deschampsia flexuosa), moor-grass (Molinia spp.), reindeer lichens (Cladonia spp.), Sphagnum spp., fire moss (Ceratodon ...

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by b_d_41501
Mon Apr 25, 2005 10:17 pm
 
Forum: General Discussion
Topic: Practical Exam Help required!
Replies: 2
Views: 8178


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