Ontario Trees & Shrubs website

Downy Arrowwood
(Viburnum rafinesqueanum)

Other common names: Arrowwood

French names: Virone de Rafinesque

Family: Muskroot Family (Adoxaceae), (Honeysuckle Family (Caprifoliaceae))

Group: Arrowwoods

Distinctive features: Shrub; Leaves are prominently toothed and have stipules. Usually downy.

Similar species:
  •   Southern Arrowwood (Viburnum dentatum) - very similar, but occurs only in the very southern part of Ontario.


Flowers: Spring, Summer;  White;  5 parts (petals);  White, 5 petals, mid June (late spring).

Leaves: Opposite/Whorled, Simple, Toothed;  Opposite. Have stipules. Prominently toothed.

Fruit/Seeds: Black fruit in late summer.

Habitat: Forests, Fields and Open Areas;  Dry places.

Books: Shrubs of Ontario: 467    Newcomb's Wildflower Guide: 302   

Native/Non-native: Native

Status: Common.

Notes: Easily confused with Southern Arrowwood (Viburnum dentatum), which is not very common and occurs mostly in extreme southern Ontario.

Photographs: 58 photographs available, of which 12 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.

Range Map is at the bottom of the page
  

Downy Arrowwood (Viburnum rafinesqueanum)

Opposite leaves, prominently toothed.

Downy Arrowwood (Viburnum rafinesqueanum)

The opposite arrangement of the leaves is quite obvious.

Downy Arrowwood (Viburnum rafinesqueanum)

Downy Arrowwood is distinguished from Southern Arrowwood (Viburnum dentatum) by its stipules, shown here and in the next photo.

Downy Arrowwood (Viburnum rafinesqueanum)

A closeup view of the stipules.

Downy Arrowwood (Viburnum rafinesqueanum)

Leaves in the late summer.

Downy Arrowwood (Viburnum rafinesqueanum)

Downy Arrowwood shrub.

Downy Arrowwood (Viburnum rafinesqueanum)

Upper surface of a leaf.

Downy Arrowwood (Viburnum rafinesqueanum)

Underside of a leaf.

Downy Arrowwood (Viburnum rafinesqueanum)

Closeup of the underside of a leaf, showing the downy aspect that characterizes this shrub, and is the second main distinguishing characteristic to tell it apart from Southern Arrowwood.

Downy Arrowwood (Viburnum rafinesqueanum)

Flower buds, in early June.

Downy Arrowwood (Viburnum rafinesqueanum)

Flowers. White, 5-petalled, in mid-June.

Downy Arrowwood (Viburnum rafinesqueanum)

Fruit, in August.
  


Range map for Downy Arrowwood (Viburnum rafinesqueanum)

PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.

(Range map provided courtesy of the USDA website and is displayed here in accordance with their Policies)

 

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