Geum, commonly called avens, is a genus of about 50 species of rhizomatous perennial herbaceous plants in the rose family and its subfamily Rosoideae, widespread across Europe, Asia, North and South America, Africa, and New Zealand. They are closely related to Potentilla and Fragaria. From a basal rosette of leaves, they produce flowers on wiry stalks, in shades of white, red, yellow, and orange, in midsummer. Geum species are evergreen except where winter temperatures drop below 0 °F (−18 °C). The cultivars 'Lady Stratheden', and 'Mrs J. Bradshaw' have gained the Royal Horticultural Society's Award of Garden Merit.
Geum urbanum, also known as wood avens, herb Bennet, colewort and St. Benedict's herb, is a perennial plant in the rose family (Rosaceae), which grows in shady places in the temperate regions of Eurasia. It has been introduced in North America, where it forms natural hybrids with Geum canadense.
Geum rivale, the water avens, is a flowering plant in the genus Geum within the family Rosaceae. Other names for the plant are nodding avens, drooping avens, cure-all, water flower and Indian chocolate. It is native to the temperate regions of Europe, Central Asia and parts of North America, where it is known as purple avens. It grows in bogs and damp meadows, and produces nodding red flowers from May to September.
Conopholis americana, the American cancer-root, squawroot, bumeh or bear corn, is a perennial, non-photosynthesizing parasitic plant, from the family Orobanchaceae and more recently from the genus Conopholis but also listed as Orobanche, native but not endemic to North America and when blooming, resembles a pine cone or cob of corn growing from the roots of mostly oak and beech trees. It gets its common name 'squaw-root' for its usage by Native American women to treat menstrual cramps and other female ailments, due to its astringency..
Geum triflorum, prairie smoke, three-flowered avens, or old man's whiskers, is a spring-blooming perennial herbaceous plant of North America from northern Canada to California and east to New York. The flowers bloom from mid-spring to early summer.
Rosa carolina, commonly known as the Carolina rose, pasture rose, or prairie rose, is a perennial shrub in the rose family native to eastern North America. It can be found in nearly all US states and Canadian provinces east of the Great Plains. It is common throughout its range and can be found in a wide variety of open habitats, from thickets and open woods to roadsides and along railroads.
Astragalus brauntonii is a rare species of milkvetch known by the common name Braunton's milkvetch. It is endemic to California, where it is known from fewer than 20 extant occurrences in the hills and mountains surrounding the Los Angeles Basin in Southern California. This is a federally listed endangered species in the United States.
Minuartia groenlandica, the Greenland stitchwort or mountain stitchwort, Appalachian stitchwort, mountain sandwort, smooth mountain sandwort, and smooth sandwort is a rare perennial which grows low to the ground in clumps linked together at the bottom. It has three to five pairs of leaves in a linear opposite pattern along the length of the slender stem. The main stem breaks into one to thirty cymes which each flower separately. The flowers are white and arise five to ten centimeters above the thick foliage. The white flower petals are six to ten millimeters long. The petals are, in turn, surrounded by five green sepals.
Boechera dispar is a species of flowering plant in the family Brassicaceae known by the common name pinyon rockcress. It is native to eastern California and western Nevada, where it grows in rocky areas in desert and mountain habitat. This is a perennial herb growing from a branching caudex. It produces several erect stems reaching 10 to 25 centimeters tall. The leaves are mostly located about the caudex. They are linear to lance-shaped, coated in white hairs, and one or two centimeters long. The flowers have purple petals. The fruit is a long, narrow, hairless silique up to 7 centimeters long containing round, winged seeds.
Rosa woodsii is a species of wild rose known by the common names Woods' rose, interior rose, common wild rose, mountain rose, pearhip rose, and prairie rose.
Geum radiatum is a rare species of flowering plant in the rose family known by the common names spreading avens, Appalachian avens, and cliff avens. It is native to the region of the border between Tennessee and North Carolina in the southeastern United States, where there are eleven known populations remaining. The plant was federally listed as an endangered species in 1990.
Silene spaldingii is a rare species of flowering plant in the family Caryophyllaceae known by the common names Spalding's silene, Spalding's catchfly and Spalding's campion. It is native to eastern Washington, eastern Oregon, northern Idaho and northern Montana, where its distribution extends just into British Columbia, Canada. Much of its former habitat has been converted to agriculture and its range is now limited to the last remaining stretches of pristine prairie grassland in this region. It is threatened by the degradation and loss of its remaining habitat. It is federally listed as a threatened species in the United States and it is designated endangered by Canada's COSEWIC.
Solidago spithamaea is a species of flowering plant in the aster family known by the common name Blue Ridge goldenrod. It is native to a very small region around the border between North Carolina and Tennessee in the United States. Its three remaining populations are threatened by the loss and degradation of its habitat. It is a federally listed threatened species of the United States.
Achnatherum richardsonii is a species of grass known by the common names Richardson's needlegrass, spreading needlegrass, and Canada mountain-ricegrass. It is native to northwestern North America, where it is distributed from Alaska and Yukon through the western Canadian provinces south to Colorado.
Buchnera americana, commonly known as American bluehearts or bupleurum, is a locally endangered herbaceous perennial plant of the broomrape family Orobanchaceae. Found widely across the eastern United States, it also occurs in one location in the Canadian province of Ontario.
Geum geniculatum is a species of flowering plant in the rose family known by the common name bent avens. It is endemic to the southern Appalachian Mountains in the United States, where it occurs on only three mountains: Grandfather Mountain and Rich Mountain in North Carolina and Roan Mountain straddling the North Carolina-Tennessee border.
Sabatia kennedyana is a species of flowering plant in the gentian family known by the common name Plymouth rose gentian. It is native to eastern North America. It has a disjunct distribution, occurring in Nova Scotia, Massachusetts, Rhode Island, Virginia, North Carolina, and South Carolina.
Draba graminea is a species of flowering plant in the mustard family known by the common names Rocky Mountain draba and San Juan Whitlow-grass. It is endemic to the state of Colorado in the United States, where it is limited to the San Juan Mountains.
Sericocarpus linifolius is a perennial forb native to the eastern United States, that produces white composite flowers in summer.
Triadenum fraseri known as bog St. John's wort, Fraser's St. John's wort, and Fraser's marsh St. John's wort, is a perennial flowering plant in the family Hypericaceae that is grows in wetlands of the northeastern and northcentral United States and lower Canada. It is named after John Fraser (1750–1811), a Scottish botanist and widely travelled plant collector.
