Sambucus racemosa var. racemosa L
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TAXONOMY
 
Family: Caprifoliaceae
Genus: Sambucus
 
Species Synonyms: Sambucus microbotrys Rydb.
Sambucus pubens Michx.
Sambucus pubens var. arborescens Torr. & Gray
Sambucus callicarpa Greene
Sambucus racemosa var. leucocarpa (Torr. & Gray) Cronq.
Sambucus racemosa ssp. pubens (Michx.) House
Sambucus racemosa var. arborescens (Torr. & Gray) Gray
Sambucus racemosa var. microbotrys (Rydb.) Kaerney & Peebles
Sambucus racemosa var. pubens (Michx.) Koehne
Common Names: red elderberry
bunchberry elder
red-berried elder
 
DISTRIBUTION
 
Canada: British Columbia - western Alberta, east central Saskatchewan - Newfoundland
Saskatchewan: east-central Saskatchewan; Wood Mountain - Pasquia Hills
Ecoregion: Boreal Transition, Mid-Boreal Lowland, Mid-Boreal Upland
 
HABITAT
 
Saskatchewan: semi-open deciduous or mixed woods
Associated Species: American elm, boxelder, mountain maple, ostrich fern, paper birch
 
RARITY STATUS
 
Provincial Status According
to Harms (2003):
Vulnerable
Nature Conservancy Status:
G5 T4T5 S3
Saskatchewan Species at
Risk Status:
None
COSEWIC Status:
None
 
Red elderberry is threatened in Saskatchewan because it is uncommon. This species is regionally restricted to two general regions of the province. Local population sizes vary. Possible threats, including fragile habitat and occurrences in areas of planned developments, have been identified.
 
SPECIES DESCRIPTION
 
Height: 1 – 3 m
Stems: shrub, often forming large clumps, brownish to reddish, with raised, corky areas, hairless to hairy
Leaves: stipules a pair of glands or linear and 1 – 2 mm; blades opposite, stalked, pinnately compound
Leaflets: 5, opposite; stalks hairy, grooved above; blades 3 – 17 cm long, 2 – 6 cm wide, oval to broadly elliptic, tip short to long tapered, base wedge-shaped to nearly rounded, may be uneven, margin toothed except at tip
Inflorescence: terminal, densely flowered, branched, 4 – 10 cm long, 3 – 5 cm wide, well defined central axis
Flowers: sepal lobes lacking; petals 3 – 6 mm wide, white to yellowish; stamens 5; stigmas 3
Fruits: 4 – 6 mm long, spherical, berry-like, reddish or orange, hairless; seeds ellipsoid, slightly flattened, wrinkled or bumpy, yellowish
 
KEY TO SAMBUCUS IN SASKATCHEWAN
 
Sambucus is the only member of the Caprifoliaceae in Saskatchewan with compound leaves.