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 cultivar 'Mrs J. Bradshaw' has 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 and North America.
Geum rivale, the water avens, is a flowering plant in the genus Geum within the family Rosaceae. Other names of 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 the purple avens. It grows in bogs and damp meadows, and produces nodding red flowers from May to September.
Geum quellyon, commonly called scarlet avens, Chilean avens, Double Bloody Mary, or Grecian rose, is a perennial herb in the family Rosaceae. It is native to the central and southern regions of Chile. G. quellyon has been introduced to other countries including Belgium, Bolivia, and the United Kingdom, where it was first planted in 1826.
Geum triflorum, commonly known as prairie smoke, old man's whiskers, or three-flowered avens, is a spring-blooming perennial herbaceous plant of the Rosaceae family. It is a hemiboreal continental climate species that is widespread in colder and drier environments of western North America, although it does occur in isolated populations as far east as New York and Ontario. It is particularly known for the long feathery plumes on the seed heads that have inspired many of the regional common names and aid in wind dispersal of its seeds.
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.
Potentilla robbinsiana, the dwarf mountain cinquefoil or Robbins' cinquefoil, is a small yellow-flowered perennial growing exclusively above the tree line in the White Mountains of New Hampshire. It is nearly stemless and measures two to four centimeters in diameter.
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.
Geocarpon groenlandicum, 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.
Cypripedium arietinum, the ram's head lady's slipper, is a rare terrestrial orchid that grows in lightly to heavily shaded areas with calcareous soils. It is characteristic of the alvars around the Great Lakes in North America]. In Canada, it is found from Quebec to Saskatchewan, plus an isolated population in Nova Scotia, where it grows on gypsum based soils, 330 km away from the nearest population in Maine.
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 family Asteraceae 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.
Veratrum hybridum is a species of flowering plant in the Melanthiaceae known by the common names slender bunchflower and crisped bunchflower. Many publications use the synonyms Melanthium latifolium and Veratrum latifolium, but the "hybridum" epithet is 9 years older than the "latifolium," so Veratrum hybridum is now the accepted name.
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.
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, the narrowleaf whitetop aster or flax leaf whitetop, is a perennial forb native to the eastern United States, that produces white composite flowers in summer.
Lespedeza virginica, known as slender bush clover or slender lespedeza, is a species of flowering plant native to much of the United States, as well as Ontario, Canada, and Nuevo León, Mexico. It is a member of the bean family, Fabaceae.
