E-Flora BC: Electronic Atlas of the Flora of BC

Potamogeton crispus L.
curled pondweed (curly pondweed)
Potamogetonaceae (Horned pondweed family)

Introduction to Vascular Plants

General:
Perennial, aquatic herb from fibrous roots; stems compressed, branched, up to 150 cm long.

Leaves:
All submersed, narrowly oblong with parallel sides, 1-10 cm long, 0.4-1 cm wide, with 9 to 35 veins, attached at the nodes, the tips rounded, the bases rounded and toothed, the margins wavy, with tiny teeth, dark green and crispy, stipules inconspicuous, 0.5 cm long.

Flowers:
Inflorescence spikelike, the spikes 2.5-4 cm long, with 3 to 5 whorls of flowers, the stalks thin.

Fruits:
Achenes, lanceolate, 5-6 mm long (including the beaks), 2-2.3 mm wide, the beaks 2-3 mm long, prominent, pointed, the keels well-developed, toothed.

Notes:
Stem anatomical characters Interlacunar and subepidermal bundles absent, pseudohypodermis 1 cell thick, endodermis of O-cells.

Source: The 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.

Illustration Source: The Illustrated Flora of British Columbia

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Exotic	SNA	Exotic	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer.

Photograph click to collapse contents

Map click to expand contents

Species Information click to expand contents

Illustration click to expand contents

USDA Species Characteristics click to expand contents

Habitat and Range click to expand contents

Status Information click to expand contents

loading