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Cyperaceae

Cyperaceae. The Sedge Family. 70-115 genera 3600-5000 species Herbs Monocots Annual, biennial, or perennial Flowers are arranged in spikelets somewhat as in grasses, and these again in larger spike-like or panicled inflorescences Flowers are often unisexual, are wind-pollinated

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Cyperaceae

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  1. Cyperaceae The Sedge Family

  2. 70-115 genera • 3600-5000 species • Herbs • Monocots • Annual, biennial, or perennial • Flowers are arranged in spikelets somewhat as in grasses, and these again in larger spike-like or panicled inflorescences • Flowers are often unisexual, are wind-pollinated • Widely distributed throughout the earth • Found mainly in wetlands and poor soils • Stems are triangular

  3. Carex Genus • Est. 1500-2500 species • One of the largest and most widespread genera of angiosperms • Male flower consists of 3 stamens, female flower consists of 2-3 carpels • Perennials • panicles of flower heads in short spikes

  4. Carex interior: Inland sedge • 1.5 feet • Blooms mid Spring • 3-5 leaves/stem

  5. Carex lasiocarpa: woolyfruit sedge • Most dominant in wetlands, forming huge stands • Leaves permanently folded along mid rib

  6. Carex stipata: awlfruit sedge • 3.5 feet • Course leaves often elongate • Low, wet grounds

  7. Carextrisperma-threeseeded sedge • Adapted to fine- and meduim-textured soils. • Stems very slender and weak. • Mostly near the coast.

  8. Carexintumescens- greater bladder sedge • Moist to wet woods. • 3 feet. • Blooms late spring

  9. Carexretrorsa-knotsheath sedge • Found in swampy woods and wet meadows. • Stems densely clustered on short rhizomes.

  10. Carexgracillima-graceful sedge • Blooms late spring. • Strongly purple-tinged at base. • Leaves sheathed and and glabrous.

  11. Carexlimosa-mud sedge • Stems arising singly or few together from long rhizomes. • Few leaves

  12. Carexpseudocyperus-cypress-like sedge • Stout stems • Pistillate spikes drooping. • Swamps and bogs.

  13. Eriophorum Genus • Scales spirally arranged. • Flowers perfect, each in the axil of the a scale. • Mature spiklet forms a dense, cottony tuft 2-4cm. • Stamens 1-3 • Perennial herbs of wet places • Grass like leaves • Found in northern hemispere.

  14. Eriophorum polystachion- Coldswamp Cotton-grass . • Flowering June-August • Habitat: bogs. • Leaves Elongated, flat, rough along the edges.

  15. Eriophorumvaginatum- tussock cottongrass • Leaves clustered at base. • Bogs and open conifer swamps.

  16. Eriophorumvirginicum- tawny cottongrass • Stems stiff and erect to 1 meter. • Solitary of few from together from freely rooting base. • Swamps and bogs.

  17. References • http://delta-intkey.com/angio/www/Cyperace.htm • http://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Cyperaceae • http://plants.usda.gov/java/charProfile?symbol=CAIN11 • http://wisplants.uwsp.edu/photos/CARRET1_RF.jpg • http://www.prairiemoon.com/images/D/Carex-gracillima-Purple-sheathed-Graceful-Sedge-plant.jpg • http://upload.wikimedia.org/wikipedia/commons/c/c4/Carex_limosa_korseby.jpeg • http://upload.wikimedia.org/wikipedia/commons/b/bf/Carex_pseudocyperus.jpeg • http://www.npwrc.usgs.gov/resource/plants/florane/species/3/eriopoly.htm • Cronquist, Arthur., Gleason, Henry A. Manual of vascular Plants of Northeastern United States and Adjacent Canada. Second Edition. Ney York Botanical Garden. 1991.

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