LONG-STEM SPIKE-RUSH
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| File Size: 49 KB |
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Eleocharis palustris (L. ) Roem. & J.A. Schultes
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| [=Eleocharis macrostachya Britton] |
| Konza Prairie, Riley County, Kansas |
| Perennial |
| Height: Up to 4 feet |
| Family: Cyperaceae - Sedge Family |
| Flowering Period: April, May, June, July |
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| Culms: | | Erect, long, slender, soft to rigid, often flattened, sometimes twisted, glabrous. | | Leaves: | | Few, small bladeless sheaths near bases of culms, pale brown, tips appear cut nearly straight across. | | Inflorescences: | | Spikelets, solitary, terminal, lanceolate to slightly cylindric, to 1.25 inch long, few- to many-flowered; flowers perfect; lowest scales usually 2, sterile; fertile scales spirally overlapping, narrowly ovate or oblong-lanceolate, pale brown to straw colored with light green midribs; margins transparent; tips blunt or pointed; bristles to 8 at bases of flowers, as long as achenes or occasionally very short; styles 2-cleft, enlarged below into small, cap-like projection. | | Fruits: | | Achenes, egg-shaped, yellowish brown, becoming dark brown with age, 1-seeded. | | Habitat: | | Pond and lake edges, marshy areas, and ditches. | | Distribution: | | Throughout Kansas. | | | | Flat-stem or compressed spike-rush (Eleocharis compressa) occurs in similar habitats but is only 4-12 inches tall. |
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| Long-stem spike-rush |  | | 73 KB | | Konza Prairie, Riley County, Kansas |
| | Long-stem spike-rush |  | | 42 KB | | Konza Prairie, Riley County, Kansas |
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