Best Tubular
Virginia bluebells are woodland wildflowers belonging to the *Mertensia virginica* species. These plants produce striking tubular blooms that shift in color from pink to vibrant blue during spring. They are notable for their ephemeral nature—existing briefly before leaves wither. Primarily found in...
The Ariel Atom 4 is a lightweight sports car designed for performance driving. Its notable features include a turbocharged 2.0-liter engine, an exposed tubular chassis, and open-wheel design maximizing agility. This vehicle is primarily targeted towards experienced drivers seeking a track-focused ex...
The Royal Albert Bridge is a prominent Victorian-era railway bridge spanning the River Thames at Exeter, England. Constructed of a unique tubular steel truss design, it’s notable for being the first bridge to utilize this method. It remains an iconic landmark and is primarily appreciated by engineer...
Foxglove Beardtongue, known scientifically as Penstemon digitalis, is a clump-forming herbaceous perennial native to the eastern and central United States. As a member of the plantain family, Plantaginaceae, it is characterized by its upright stems and opposite, lance-shaped leaves. In late spring a...
Hairy beardtongue (Penstemon hirsutus) is an herbaceous perennial native to the rocky woodlands and dry slopes of eastern North America. The plant is identifiable by its small, tubular flowers that transition from a pale lavender hue to white, as well as its notably hairy stems and foliage. It posse...
Correa reflexa (Common Correa) is an Australian native shrub in the rue family and one of the most widespread species of its genus, bearing tubular red and yellow flowers that are a key winter nectar source for honeyeaters.
Kangaroo paw refers to several species of the genus Anigozanthos, a group of perennial plants endemic to the sandy soils of Southwest Australia. They are distinguished by their unique, tubular flowers, which are covered in dense, velvety hairs and feature a curved, paw-like structure when they open....
Wild Petunia (Ruellia humilis) is a low-growing herbaceous perennial in the Acanthaceae family, native to the central and eastern United States. It produces pale-purple, funnel-shaped flowers on short, hairy stems and typically grows in dry prairies, glades, and open woodlands. The plant is sometime...
Foxglove (Digitalis purpurea) is a tall biennial plant native to western and central Europe, widely naturalized in temperate regions. In its second year, it produces a vertical spike of pendant, tubular flowers that are typically purple but can be pink or white. The plant is the original source of c...
Cobra lily (Darlingtonia californica) is a carnivorous pitcher plant native to Northern California and Oregon, notable for its hooded, cobra-shaped traps that confuse insects and prevent their escape.
Ulva compressa is a species of tubular green marine alga belonging to the family Ulvaceae, distributed globally in estuarine and intertidal environments. Formerly classified under the genus Enteromorpha, it features hollow, unbranched, and compressed tubular fronds that can grow in dense masses. The...
Red alga (Lomentariaceae) of the northeastern Atlantic and Mediterranean, recognized by its distinctive hollow, club-shaped, constricted branches on a cylindrical axis.
Chaetomorpha linum is an unbranched filamentous green alga of sheltered lagoons and estuaries globally, often forming loose, unattached mats in nutrient-rich shallow waters.
Torch cactus (Echinopsis spachiana) is a columnar cactus native to South America that produces large, white, night-blooming flowers up to 20 centimeters long that last only a single night.
Penstemon is a large genus of North American wildflowers known for their tubular blooms, making them highly attractive to hummingbirds and bees in garden landscapes.
Flowering Tobacco, from the Nicotiana genus, is an ornamental plant native to the Americas that emits a strong, sweet fragrance during the night to attract pollinators.
A cosmopolitan green alga, reclassified from Enteromorpha intestinalis into Ulva, highly tolerant of low salinity and prone to blooming in nutrient-enriched estuarine waters worldwide.
Weigela florida is a deciduous shrub native to northern China and Korea, introduced to Western horticulture in 1845 by plant hunter Robert Fortune and widely grown for its tubular pink flowers.
The Victoria Bridge in Montreal is a historic tubular structure opened in 1859 to cross the Saint Lawrence River, serving as a vital rail link in Canada.
Aloe Vera is a succulent plant species native to the Arabian Peninsula, globally cultivated for its thick, fleshy leaves that yield a gel widely used in cosmetics and skin treatments.
Cosmopolitan brown alga of cold to temperate seas, recognized by hollow tubular fronds constricted at regular intervals, giving a distinctive sausage-string appearance.
A red alga of European Atlantic coasts, recognized by its hollow, pinched branches forming a distinctively beaded, segmented, chain-like appearance along its axis.
Blidingia minima is a small tubular green alga (family Ulvaceae) found in the upper intertidal zone of rocky shores worldwide, highly tolerant of salinity extremes.
Small brown alga with inflated, bubble-like thalli, found on temperate Atlantic and Mediterranean rocky shores; first formally described by Lamouroux in the early 19th century.
