Dianthus barbatus L.
sweet William (sweetwilliam)
Caryophyllaceae (Pink family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #25633)


Map

E-Flora BC Static Map

Distribution of Dianthus barbatus
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SUBTAXA PRESENT IN BC

Dianthus barbatus ssp. barbatus

Species Information

General:
Perennial herb from a taproot; stems 1 or more, erect to decumbent, glabrous, 30-60 cm tall/long.
Leaves:
Basal leaves several, oblong-lanceolate, 7-9 cm long, 1-2 cm wide, glabrous; stem leaves opposite, 4-10 pairs, becoming lanceolate and only slightly reduced above, mostly 4-9 cm long, broadly short-stalked, the base sheathing; stipules lacking.
Flowers:
Inflorescence of 3-30 flowers in densely crowded clusters; petals 5, white to more usually pink or red, with narrow claws about equalling the calyces, the blade more or less egg-shaped, 6-10 mm long, wavy-toothed; sepals 5, green below and often violet above, united, forming a glabrous tube about 15 mm long, about 40-nerved.
Fruits:
Capsules oblong, 9-13 mm long, 4-valved; seeds compressed, concave on one side.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Habitat and Range

Mesic to dry waste places in the lowland, steppe and montane zones; rare in S BC; introduced from Eurasia.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Dianthus barbatus subsp. barbatus