Crassula aquatica (L.) Schoenl.
pigmyweed (water pygmyweed)
Crassulaceae
Introduction to Vascular Plants
pigmyweed (water pygmyweed)
Crassulaceae
Introduction to Vascular Plants
Species Information
General:
Weak annual herb, rooting nodally; stems ascending or erect, freely branching, 2-6 cm tall/long, glabrous.
Leaves:
Opposite, entire, succulent, linear to linear-oblanceolate, 3-6 mm long, with heart-shaped, sheathing bases.
Flowers:
Inflorescence of single flowers in the leaf axils; flowers usually 4-merous, greenish, short-stalked but lengthening in fruit; calyces cup-shaped; petals exceeding the sepals, whitish; stamens shorter than the petals.
Fruits:
Follicles, less than 2 mm long, purplish, 6-12 seeded.
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.
Illustration Source: The Illustrated Flora of British Columbia
Habitat and Range
Wet vernal pools and mudflats in the lowland zone; infrequent, scattered through S BC; circumpolar, N to AK and NT and S to CA and MX; Iceland, Eurasia.Status Information
Synonyms
Synonyms and Alternate Names:
Bulliarda aquatica (L.) DC.
Hydrophila aquatica (L.) House
Tillaea angustifolia Nutt.
Tillaea aquatica L.
Tillaea ascendens Eat.
Tillaeastrum aquaticum (L.) Britt.