Virginia Creeper - Parthenocissus quinquefolia
Other Names:
Victoria Creeper, Five-leaved Ivy, Five Finger,
Parthenocissus inserta [in part]
Leaflets 5 to 7, lanceolate to obovate, 3–13 cm long, puberulent below. Tendrils 3- to 8-branched with adhesive disks. Inflorescence a hemispheric panicle of cymes with a distinct central axis. Flowers: petals 2–3 mm long. Berry 5–8 mm wide (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
In Montana species of the
Grape Family (
Vitaceae) can be separated by the degree of lobing in the leaf.
Grapes (
Vitis) have single leaves with shallow lobes while
Woodbines and
Virginia Creepers (
Parthenocissus) have a single leaf palmately divided into distinct leaflets.
Montana has 2
Parthenocissus species:
Virginia Creeper -
Parthenocissus quinquefolia, exotic
*Tendrils: With an adhesive disc. Look closely where it attaches to a substrate. Discs are easily broken off unless carefully remove.
*Inflorescence: Panicle has a central axis.
Woodbine -
Parthenocissus vitacea, native and desireable
*Tendrils: Without an adhesive disc. Look closely where it attaches to a substrate.
*Inflorescence: Panicle is dichotomously branched.