Gentiana is a genus of flowering plants belonging to the gentian family (Gentianaceae), the tribe Gentianeae, and the monophyletic subtribe Gentianinae. With over 300 species, it is considered a large genus. Gentians are notable for their mostly large trumpet-shaped flowers, which are often of an intense blue hue.
Gentiana acaulis, the stemless gentian, or trumpet gentian, is a species of flowering plant in the family Gentianaceae, native to central and southern Europe, from Spain east to the Balkans, growing especially in mountainous regions, such as the Alps and Pyrenees, at heights of 800–3,000 m (2,625–9,843 ft).
Gentianaceae is a family of flowering plants of 103 genera and about 1600 species.
Gentiana andrewsii, the bottle gentian, closed gentian, or closed bottle gentian, is an herbaceous species of flowering plant in the gentian family Gentianaceae. Gentiana andrewsii is native to northeastern North America, from the Dakotas to the East Coast and through eastern Canada.
Gentiana calycosa is a species of flowering plant in the family Gentianaceae. It is a herbaceous perennial gentian known by the common names Rainier pleated gentian and mountain bog gentian.
Gentianella amarella, the autumn gentian, autumn dwarf gentian, or autumn felwort, is a short biennial plant flowering plant in the gentian family, Gentianaceae. It is found throughout Northern Europe, the western and northern United States, and Canada.
Zeltnera venusta is a species of flowering plant in the gentian family known by the common names California centaury, charming centaury and canchalagua. This centaury is native to much of California, southern Oregon, and northwest Baja California.
Gentiana newberryi is a species of gentian known by the common names alpine gentian and Newberry's gentian. It is a perennial herb found in western North America.
Gentiana plurisetosa is a rare species of Gentiana, known by the common names Klamath gentian and bristly gentian.
Gentiana prostrata, commonly known as pygmy gentian, moss gentian, or gentiane penchée, is a species of plant in the family Gentianaceae. It is widely distributed across Eurasia, North America, and South America.
Gentiana setigera is a species of gentian known by the common name Mendocino gentian. It is native to southern Oregon and northern California where it grows in wet places in the California Coast Ranges. It grows in serpentine soils.
Sabulina stricta is a species of flowering plant in the family Caryophyllaceae known by the common names bog stitchwort, Teesdale sandwort and rock sandwort. It has a circumboreal distribution, occurring throughout much of the northernmost Northern Hemisphere from the lower Arctic into the alpine climates of mountainous areas in temperate Eurasia and North America. It grows in several types of habitat, including meadows, marshes, heath, beaches and bars, and arctic and alpine tundra.
Frasera albicaulis is a species of flowering plant in the family Gentianaceae. It is known by the common name whitestem frasera. It is native to the northwestern United States, where it grows in open areas in mountain habitat. It is a perennial herb growing from a woody base surrounded by rosettes of leaves, its stem growing 10 to 70 centimeters tall. The leaves are green with white margins. The basal leaves are lance-shaped, up to 30 centimeters long, and borne on petioles. Leaves higher on the stem are smaller and narrower and are oppositely arranged. The inflorescence is a dense panicle atop the stem, sometimes interrupted into a series of clusters of flowers. Each flower has a calyx of four pointed sepals and a corolla of four pointed lobes each one half to one centimeter long. The corolla is pale greenish white to light blue to purple, often dotted, streaked, or veined with darker blue. There are four stamens tipped with large anthers and a central ovary.
Frasera speciosa is a species of flowering plant in the gentian family (Gentianaceae) known by the common names elkweed, monument plant, and green gentian. When blooming it grows a tall stalk with numerous flowers that have purple dotted green petals. Each plant can flower just once before it dies.
Veronica anagallis-aquatica is a species of flowering plant in the family Plantaginaceae known by the common names water speedwell, blue water-speedwell,brook pimpernel.
Gentiana glauca is a species of flowering plant in the gentian family known by the common names pale gentian and glaucous gentian. It is native to eastern Asia and northwestern North America from Alaska to the Northwest Territories to Washington and Montana.
Gentiana sino-ornata, the showy Chinese gentian, is a species of flowering plant in the family Gentianaceae, native to western China and Tibet. It is a low-growing semi-evergreen perennial growing to 5–7 cm (2–3 in) tall, with multiple prostrate stems 15–30 cm (6–12 in) long, bearing single trumpet-shaped flowers of a pure blue with a white- and green-striped throat, in autumn.
Gentiana puberulenta, the downy gentian, is a branchless perennial plant of the Gentianaceae family native to North America. It is about ¾–1½' tall, with bright blue to deep blue-violet bell-shaped, upright, five-lobed flowers measuring 1½ to 2¼ inches across when fully open. Flowers grow in clusters of 1–8 at the apex of the plant. Lanceolate, sessile, glossy leaves up to 3" long and 1¼" across are arranged oppositely along the central stem, except at the apex where they grow in whorls of 3–7. Gentiana puberulenta grows in dry upland prairies and woods and rocky open slopes.
Gentiana pannonica, the Hungarian gentian or brown gentian, is a species of flowering plant in the family Gentianaceae.
Gentiana wingecarribiensis is a flowering plant in the family Gentianaceae and is endemic to New South Wales. It is a small, upright or decumbent annual herb with blue to mauve flowers.
