Saxifragaceae is a family of herbaceous perennial flowering plants, within the core eudicot order Saxifragales. The taxonomy of the family has been greatly revised and the scope much reduced in the era of molecular phylogenetic analysis. The family is divided into ten clades, with about 640 known species in about 35 accepted genera. About half of these consist of a single species, but about 400 of the species are in the type genus Saxifraga. The family is predominantly distributed in the northern hemisphere, but also in the Andes in South America.
Saxifraga is the largest genus in the family Saxifragaceae, containing about 465 species of holarctic perennial plants, known as saxifrages or rockfoils. The Latin word saxifraga means literally "stone-breaker", from Latin saxum + frangere. It is usually thought to indicate a medicinal use for treatment of urinary calculi, rather than breaking rocks apart.
Triosteum, commonly known in American English as horse-gentian or, less commonly, feverwort, and, in Standard Chinese as 莛子藨属, is a genus of flowering plants belonging to the family Caprifoliaceae. A genus of six species in total, it has three species native to North America, and three more in eastern Asia.
Tiarella cordifolia, the heart-leaved foamflower, is a species of flowering plant in the family Saxifragaceae. The specific name cordifolia means "with heart-shaped leaves", a characteristic shared by all taxa of Tiarella in eastern North America. It is also referred to as Allegheny foamflower, false miterwort, and coolwort.
Tiarella, the foamflowers, is a genus of flowering plants in the family Saxifragaceae. The generic name Tiarella means "little turban", which suggests the shape of the seed capsules. Worldwide there are seven species, one each in eastern Asia and western North America, plus five species in eastern North America. As of October 2022, the taxonomy of Tiarella in eastern North America is in flux.
Thladiantha dubia, the Manchu tubergourd, goldencreeper, wild potato, or (French) thladianthe douteuse, is a herbaceous perennial climbing vine of the gourd family. It is native to Russia, northern China, and Korea, but has been introduced to Japan, southeast Europe, the Galapagos Islands, and scattered locations in North America. It is occasionally grown as a medicinal plant, or as an ornamental in North America.
Symphyotrichum ericoides, known as white heath aster, frost aster, or heath aster, is a species of flowering plant in the family Asteraceae native to much of central and eastern North America. It has been introduced to parts of Europe and western Asia.
Tiarella trifoliata, the three-leaf foamflower, is a species of flowering plant in the family Saxifragaceae. The specific name trifoliata means "having three leaflets", a characteristic of two of the three recognized varieties. Also known as the laceflower or sugar-scoop, the species is found in shaded, moist woods in western North America.
Anaphalis margaritacea, commonly known as the western pearly everlasting or pearly everlasting, is an Asian and North American species of flowering perennial plant in the family Asteraceae.
Canadanthus is a North American monotypic genus of flowering plants in the family Asteraceae. The only species is Canadanthus modestus, commonly known as great northern aster or western bog aster. It is native to most of Canada and to northern parts of the United States.
Symphyotrichum depauperatum, commonly known as serpentine aster or starved aster, is a rare species in the family Asteraceae adapted to serpentine barrens, an ecosystem with a high concentration of toxic metals in the soil. It has been found in Pennsylvania, Maryland, and on some diabase glades in North Carolina. It grows to 50 centimeters and has white ray florets surrounding a center of yellow disk florets.
Aerides odorata is a species of plant in the Orchidaceae. It is widespread across much of Southeast Asia, found in the lowland forests of China, Himalayas, Bhutan, Assam, Bangladesh, India, Nepal, Andaman and Nicobar Islands, Myanmar, Thailand, Laos, Cambodia, Vietnam, Peninsular Malaysia, Borneo, Sumatra, Java, Sulawesi, the Lesser Sunda Islands, and the Philippines. Its natural habitat is subtropical or tropical moist lowland forest. It is threatened by habitat loss.
Tiarella wherryi is a species of flowering plant in the family Saxifragaceae. The specific name wherryi recognizes Edgar Wherry, the botanist who collected some of the first specimens in the early 1930s. Commonly called Wherry's foamflower, it is the southernmost of all species of Tiarella in the southeastern United States, where its range approaches the Gulf Coast in southern Alabama.
Eriocapitella rivularis, a species of flowering plant in the buttercup family Ranunculaceae, is native to Asia. The specific epithet rivularis means "waterside, of the rivers", which evidently refers to one of its preferred habitats. It is commonly called the riverside windflower. In Chinese, it is called cao yu mei, which means "grass jade plum".
Clintonia udensis is a species of flowering plant in the lily family Liliaceae. It is the only species of Clintonia native to Asia. It prefers sparsely forested habitat including the alpine forests of the Himalayas.
Symphyotrichum patens, commonly known as late purple aster or spreading aster, is a perennial, herbaceous plant found in the eastern United States.
Symphyotrichum potosinum is a species of flowering plant in the family Asteraceae native to Mexico and the U.S. state of Arizona. Commonly known as Santa Rita Mountain aster, it is a perennial, herbaceous plant that may reach heights of 15 to 45 centimeters.
Tiarella stolonifera is a species of flowering plant in the family Saxifragaceae. The specific name stolonifera means "spreading by stolons", an important characteristic of this species. Known as the creeping foamflower, it has the widest range of any species of Tiarella in eastern North America.
Tiarella nautila is a species of flowering plant in the family Saxifragaceae. The specific name nautila alludes to its sail-like stem leaves. Accordingly, it is sometimes called the sail-leaf foamflower. The species is narrowly endemic to the Blue Ridge Mountains in the southeastern United States.
Tiarella austrina is a species of flowering plant in the family Saxifragaceae. The specific name austrina means "from the south". Being endemic to the southeastern United States, it is sometimes referred to as the southern foamflower. It is one of two species of Tiarella that spread by stolons.
