Hydrangea arborescens L.

  • Family: Hydrangeaceae
  • Common name: wild hydrangea

    Shrub to 2 m (6 ft). Twigs glabrous, smooth, loose and peeling on older stems. Leaves opposite, ovate, acuminate, coarsely serrate, 6-18 cm (2.4-7 in) long and 4-12 cm (1.6-4.7 in) wide, somewhat rough above, glabrous or hairy below. Inflorescence a compound cyme 4-15 cm (1.6-6 in) across. Fertile flowers small, numerous, white. Sterile flowers consist of a persistent broad flat greenish-yellow calyx 1-3 cm (0.4-1.2 in) wide. Fruits numerous ribbed brown capsules about 2 mm (0.1 in) long.

    Distribution: Native to about the eastern third of the U. S.
    Habitat: Usually the richer and damper parts of the Eastern Deciduous Forest.
    NWI status: Not listed for Region 6. FACU, UPL in other regions.
    Comment: Hydrangea is derived from a Greek phrase meaning "water vessel", from the cuplike fruits; arborescens refers to the plant's resemblance to a small tree.

    Distribution in Oklahoma:

    Last update: 9/10/99
    Go to Oklahoma Biological Survey Home Page