Penthorum sedoides L.
ditch stonecrop
Penthoraceae (Stonecrop family)
(Previously in Crassulaceae)

Introduction to Vascular Plants


© RĂ©al Sarrazin     (Photo ID #26691)


E-Flora BC Static Map

Distribution of Penthorum sedoides
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Species Information

Perennial herb from a rhizome; stems erect, simple or branched above, smooth below, 20-70 cm tall.
Alternate, lanceolate to narrowly elliptic, 5-10 cm long, sharply toothed, long-pointed, not succulent.
Inflorescence a terminal cyme, with glandular-stalked hairs, 2-8 cm long, the flowers borne on 1 side of the axis, greenish; petals usually absent; sepals 5, broadly-lanceolate.
Follicles, strongly beaked, flattened, circular, 5-6 mm wide, spreading at maturity, the base formed by the expanded hypanthium, eventually circumcissile just above the placentae; seeds spindle-shaped, covered with minute papillae, usually reddish-brown.

SourceThe Illustrated Flora of British Columbia


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.

USDA Species Characteristics

Flower Colour:
Blooming Period:
Source:  The USDA

Habitat and Range

Cranberry bogs in the lowland zone; rare in SW BC, known only from Richmond and Fort Langley; introduced from E North America.

SourceThe Illustrated Flora of British Columbia