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安裝中文字典英文字典辭典工具!
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- Sedges - Encyclopedia. com
Some species of sedge can occur in habitats that are rather dry, as in the case of some arctic and alpine sedges Sedges in ecosystems Sedges are an important component of the plant communities of many types of natural habitats, particularly in marshes, swamps, and the shallow-water habitats along the edges of streams, ponds, and lakes
- Sedge - Encyclopedia. com
sedge Any of numerous species of grass-like perennial plants, especially those of the genus Carex, widely distributed in temperate, cold, and tropical mountain regions, usually on wet ground or in water Cultivated as ornamental plants, they have narrow leaves and spikes of brown, green or greenish yellow flowers
- White Sedge - Encyclopedia. com
Survival of the white sedge requires that this critical habitat be strictly protected This could be done by acquiring the habitat and establishing an ecological reserve, or by negotiating a conservation easement with the landowner The populations of the white sedge should be monitored, and research undertaken into its ecological needs
- Navajo Sedge - Encyclopedia. com
Navajo sedge, Carex specuicola, is a grasslike, perennial plant with triangular stems, 10-16 in (25-40 cm) high, that grow in clumps from a long, slender rhizome Long, narrow, wispy leaves are pale green, 4 5-8 in (12-20 cm) long, and clustered from the base
- Papyrus - Encyclopedia. com
papyrus a material prepared in ancient Egypt from the pithy stem of the water plant papyrus, a tall aquatic sedge native to central Africa and the Nile valley, used in sheets throughout the ancient Mediterranean world for writing or painting on and also for making articles such as rope, sandals, and boats
- Tundra - Encyclopedia. com
Under wet conditions, sedge and grass-dominated meadow communities develop, while moist conditions favor a vegetation dominated by dwarf shrubs and herbaceous species, and dry sites have cushion plants and lichens The vegetation of arctic and alpine tundras share many structural characteristics, most genera, and some species
- La Belle Dame sans Merci - Encyclopedia. com
The sedge has wither'd from the lake, And no birds sing O what can ail thee, knight-at-arms, 5 So haggard and so woebegone? The squirrel's granary is full, And the harvest's done I see a lily on thy brow With anguish moist and fever dew; 10 And on thy cheek a fading rose Fast withereth too I met a lady in the meads,
- African Treefrogs: Hyperoliidae - Encyclopedia. com
African treefrogs are also known as reed and sedge frogs The typical African treefrog has a slender body, large and often bulging eyes usually with horizontal pupils, and rounded pads on the ends of its webbed toes Its back legs are long and thin, and its front legs are also quite thin
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