| U | black tropical American bird having a large overhanging crest and long feathered wattle |
|---|---|
| U | large Australasian fern with fanlike repeatedly forked fronds |
| U | small deciduous open-crowned tree of eastern North America having creamy white flowers and large leaves in formations like umbrellas at the ends of branches |
| U | medium-sized 2-needled pine of southern Europe having a spreading crown |
| U | African sedge widely cultivated as an ornamental water plant for its terminal umbrellalike cluster of slender grasslike leaves |
| U | late-blooming perennial plant of shale barrens of Virginia having flowers in flat-topped clusters |
| U | rhizomatous perennial herb with large dramatic peltate leaves and white to bright pink flowers in round heads on leafless stems |
| U | African sedge widely cultivated as an ornamental water plant for its terminal umbrellalike cluster of slender grasslike leaves |
| U | a small tent with a single supporting pole and radiating metal ribs |
| U | small deciduous open-crowned tree of eastern North America having creamy white flowers and large leaves in formations like umbrellas at the ends of branches |
| U | erect evergreen shrub or small tree of Australia and northern Guinea having palmately compound leaves |
| U | resembling an umbrella |