Flowers That Start With U
Discover 33+ flowers beginning with U — their names, meanings, origins, and unique characteristics.
Ulex europaeus
Commonly known as Gorse, this hardy shrub features vibrant yellow, pea-like flowers and sharp thorns, native to Western Europe and often found on heathlands.
Ulmus americana
The American Elm produces small, inconspicuous greenish-brown flowers in early spring before the leaves emerge, serving as a vital early nectar source for various pollinators.
Ulmus glabra
Known as the Wych Elm, this tree produces clusters of reddish-purple flowers in early spring, which develop into papery, winged seeds known as samaras.
Ulmus parvifolia
The Lacebark Elm features tiny, inconspicuous flowers that bloom in late summer or autumn, contrasting with its distinctive mottled, exfoliating bark patterns.
Umbellularia californica
The California Bay Laurel produces small, yellow-green flowers in clusters during the spring, followed by aromatic, olive-like fruits that are native to the coastal forests of California.
Umbilicus rupestris
Commonly called Pennywort, this succulent plant features spikes of small, bell-shaped, greenish-pink flowers and grows in rocky crevices throughout Western Europe and the Mediterranean.
Uncinia rubra
A sedge native to New Zealand, it produces inconspicuous flower spikes, but is primarily grown for its striking, fiery red-bronze foliage that adds color to gardens.
Urceolina peruviana
A rare bulbous plant from the Andes, it features pendulous, urn-shaped, bright red flowers with green tips, making it a highly sought-after specimen for collectors.
Urceolina urceolata
This South American bulb produces clusters of drooping, tubular, orange-red flowers that resemble small urns, thriving in cool, shaded environments within its native Andean habitat.
Ursinia anthemoides
A cheerful annual daisy from South Africa, it displays bright yellow to orange ray florets with a dark center, often used in wildflower meadows for its long bloom time.
Ursinia cakilefolia
Known as the Jewel of the Veld, this South African annual features brilliant yellow flowers with a deep purple-brown center, thriving in sandy, well-drained soils.
Ursinia calenduliflora
This species produces large, golden-yellow daisy-like flowers that close at night, native to the Cape region of South Africa and prized for its drought tolerance.
Ursinia nana
A dwarf species of Ursinia, it produces small, bright yellow flowers on compact stems, making it an excellent choice for rock gardens or container plantings.
Ursinia paleacea
Native to South Africa, this plant features finely divided, fern-like foliage and clusters of bright yellow flowers that bloom profusely throughout the spring and early summer.
Ursinia speciosa
A showy species with large, vibrant yellow flowers that have a distinct dark ring at the base of the petals, native to the arid regions of South Africa.
Urtica dioica
Commonly known as Stinging Nettle, it produces small, greenish, wind-pollinated flowers in drooping catkins, despite its reputation for causing skin irritation upon contact with its hairs.
Utricularia alpina
An epiphytic bladderwort from the Caribbean, it produces large, showy, white orchid-like flowers with a yellow throat, growing in mossy, high-altitude tropical environments.
Utricularia calycina
This carnivorous plant features delicate, pale violet flowers with a yellow palate, native to the northern regions of South America and the Caribbean islands.
Utricularia cornuta
Known as the Horned Bladderwort, this North American native produces bright yellow, spurred flowers that rise above wet, boggy soils on slender, leafless stalks.
Utricularia gibba
A widespread aquatic bladderwort, it produces tiny, bright yellow flowers that float above the water surface, found in ponds and slow-moving streams across the globe.
Utricularia graminifolia
Native to Asia, this species is popular in aquascaping for its grass-like foliage and produces small, pale purple or violet flowers when grown in semi-aquatic conditions.
Utricularia inflata
This aquatic plant features a unique star-shaped float of air-filled leaves and produces bright yellow flowers that bloom above the water surface in North American wetlands.
Utricularia livida
A highly adaptable bladderwort, it produces numerous small, white to pale purple flowers with yellow markings, native to Africa and parts of Mexico.
Utricularia longifolia
Native to Brazil, this species features long, strap-like leaves and tall scapes bearing large, showy, violet-purple flowers with a prominent yellow blotch on the lower lip.
Utricularia nelumbifolia
Known for its large, lily-pad-like leaves, this Brazilian species produces tall stalks of beautiful, deep violet flowers, often growing in the water-filled tanks of bromeliads.
Utricularia purpurea
The Eastern Purple Bladderwort produces striking, deep purple flowers with yellow centers, native to the eastern United States and found in acidic, nutrient-poor waters.
Utricularia reniformis
This species is famous for its large, kidney-shaped leaves and tall, elegant spikes of orchid-like, lavender-pink flowers, native to the high-altitude regions of Brazil.
Utricularia sandersonii
Often called the Rabbit Ear Bladderwort, this South African species produces unique, white, bunny-shaped flowers that bloom continuously in moist, well-lit conditions.
Utricularia subulata
A tiny, widespread bladderwort that produces small, yellow flowers on thin stalks, often considered a weed in carnivorous plant collections due to its prolific seeding.
Utricularia vulgaris
The Greater Bladderwort is an aquatic carnivorous plant that produces bright yellow, snapdragon-like flowers on stalks that emerge above the water surface in temperate regions.
Uvularia grandiflora
Commonly known as Large-flowered Bellwort, this woodland perennial features drooping, bell-shaped, yellow flowers that appear in spring, native to the eastern forests of North America.
Uvularia perfoliata
Known as Perfoliate Bellwort, it is characterized by its unique leaves that appear to be pierced by the stem and its elegant, pale yellow, pendulous flowers.
Uvularia sessilifolia
The Sessile-leaved Bellwort produces creamy-yellow, bell-shaped flowers that hang gracefully from the stems, native to moist, deciduous woodlands across eastern North America.
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