umbrella sedge
Học thuậtThân thiện
Definition
Noun: 1. A type of sedge plant: A perennial, grass-like plant (Cyperus alternifolius) native to Madagascar, widely cultivated as an ornamental plant in ponds and water gardens. It is characterized by its tall, slender, triangular stems topped with a radial cluster of long, thin, leaf-like bracts that resemble the ribs of an umbrella.
Usage
- The umbrella sedge thrives in shallow water or consistently moist soil.
- To control its growth, you can divide a mature clump of umbrella sedge in the spring.
- The pond's edge was decorated with several pots of umbrella sedge.
Advanced Usage
- As a common name: "Umbrella sedge" is the most widely recognized common name for . In horticultural contexts, it is sometimes simply called "umbrella plant," though this name is shared with other species.
- In botanical description: The defining feature of the umbrella sedge is its "terminal umbellate inflorescence," which gives the plant its common name.
Variants and Related Words
- Cyperus alternifolius (n): The scientific (Latin) name for umbrella sedge.
- Umbrella plant (n): A common alternative name, though it can cause confusion with unrelated houseplants.
- Sedge (n): The general family of plants (Cyperaceae) to which the umbrella sedge belongs, typically characterized by solid, triangular stems.
Synonyms
- Cyperus: Referring to the genus, though this includes many other sedge species.
- Umbrella palm: A less common name, occasionally used due to the plant's appearance.
Related Terms
- Ornamental grass: A horticultural category that often includes grass-like plants such as sedges.
- Marginal aquatic plant: A type of plant, like the umbrella sedge, that grows in shallow water at the edge of a pond.
- Bract: A modified leaf, which in the umbrella sedge forms the "umbrella" structure at the top of the stem.
Noun
- African sedge widely cultivated as an ornamental water plant for its terminal umbrellalike cluster of slender grasslike leaves