Rubus sp.
  • LEAVES: alternate compound, late deciduous; 5-foliolate on primocanes (first year canes), 3-foliolate on floricanes; armed rachis
  • FLOWER: white, 1 inch diameter, one per peduncle (blackberries have many flowers per cluster), 5 petals, clawed; found on floricanes (2-year-old canes)
  • FRUIT: berries (aggregate of drupes), black, juicy: 1.5 to 2 cm long
     --- dewberries: recepticle soft, pulls off with fruit
     --- blackberries: same as dewberries
     --- raspberries: recepticle dry and hard; drupes pull-off, forming a thimble
  • TWIGS:
  • BARK:
  • FORM:
  • HABITAT: old fields, xeric sites
  • RANGE: Rubus is found throughout North America (estimated to be 50 to 390 species)
  • WETLAND DESIGNATION: Varies by species in the Atlantic and Gulf Coast Plain Region
  • USES: wildlife: berries eaten by many birds(song, quail, turkey);
    mammals: foliage browsed by deer and rabbits; cover;
    human: berries eaten
  • Best Recognition Features:
    1. armed branches and petioles
    2. 3- and 5-foliolate leaves
    3. black berries (aggregate of drupes)

    NOTE: very difficult genus with an unresolved taxonomy; there are at least 15-20 native southern species, also several introduced species