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Image Credit: Anna Povey – with permission
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Image Credit: Anna Povey – with permission
Scientific Name: Barbarea australis Endemic Having a natural distribution confined to a particular geographic region
Common Name: riverbed wintercress
Family Classification (Clade): Eudicots
Family: Brassicaceae
Threatened Species Status: Endangered
Permit: It is an offence to collect, disturb, damage or destroy this species unless under permit.
Form Description: Dwarf herb with pinnate basal leaves and upper stem leaves with wavy margins.
Height (m): 0.3 – 0.5
Flowers: Small, yellow, borne in racemes and with 6 stamens. Flowers sporadically throughout year.
Fruit: Capsule (siliqua) elongated, 4-angled, to 5cm long, slender on stalks to 1cm long.
Municipality
Plant Communities
Habitat Notes
Recorded by J. D. Hooker from moist or marshy districts in the centre of Tasmania and near Launceston.
Site Tolerance
Moist, Waterlogged
Soil Tolerance
Nutrient-poor, Poorly-drained
General Notes
May be short-lived but grows readily from seed with plants grown in the ground or in containers.
Propagation Calendar
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Flowering Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -
Seed Collecting Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -
Sowing Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -
Cutting Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Propagation Method
Seed Information
Seed Collection
Propagated from seed. Since flowering times are sporadic, seed collection times would vary accordingly.
Seed Treatment Method
Standard Scatter seed thinly on to damp potting mix. Hold seed in place by covering with more potting mix to approximately the depth of the seed size.
Cutting & Division Information
Can be propagated from cuttings which strike readily.