Definition

Noun: 1. A common name for several distinct plant species, all characterized by having leaves that radiate from a central point, resembling the shape of an umbrella. The specific plant referred to depends on regional and horticultural context.

Usage and Examples

• As a common name for Cyperus alternifolius (Umbrella Sedge): This is the most frequent meaning, referring to a popular aquatic or marginal plant often grown in ponds and water gardens.
  • The umbrella plant thrives with its roots submerged in the shallow edge of the pond.
  • She added an umbrella plant to her aquarium for a dramatic vertical element.
• As a common name for Darmera peltata (Indian Rhubarb): This refers to a large, hardy perennial native to California and Oregon, known for its big, round leaves.
  • The umbrella plant by the stream bank unfurled its enormous peltate leaves in spring.
• As a common name for Eriogonum allenii (Shale Barren Buckwheat): This is a more specific regional usage for a perennial wildflower found in shale barrens.
  • The rare umbrella plant is a protected species in its native shale barren habitat.

Advanced Usage and Notes

• The term "umbrella plant" is an example of a common name, which can be imprecise and refer to multiple different species. For accurate identification, especially in botanical or gardening contexts, the scientific name (e.g., ) is always preferred.
• The defining visual characteristic is the umbrellalike arrangement of leaves (leaflets or bracts) at the top of the stems.

Variants and Related Words

• Umbrella Sedge: A more descriptive common name for , specifying it is a type of sedge.
• Umbrella Palm: Sometimes used interchangeably with "umbrella plant" for , though it is not a true palm.
• Peltate: (Adjective) A botanical term describing a leaf where the stalk is attached to the center, not the edge, of the leaf blade. This is a key feature of .

Synonyms

• (For ): Umbrella Sedge, Umbrella Palm, Cyperus.
• (For ): Indian Rhubarb, Darmera.

Related Phrases and Terms

• Ornamental water plant: A plant grown for decoration in aquatic settings. The type of umbrella plant is a prime example.
• Rhizomatous perennial: A plant that lives for more than two years and spreads via underground stems called rhizomes. This describes the growth habit of both and .

Noun

1. African sedge widely cultivated as an ornamental water plant for its terminal umbrellalike cluster of slender grasslike leaves
2. late blooming perennial plant of shale barrens of Virginia having flowers in flat-topped clusters
3. rhizomatous perennial herb with large dramatic peltate leaves and white to bright pink flowers in round heads on leafless stems; colonizes stream banks in the Sierra Nevada in California