Municipalities

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Scientific Name

Ruppia polycarpa

Family Name

RUPPIACEAE

Common Name

Manyfruit Seatassel

Status

Height

20cm

Flowers

Two small flowers in terminal spikes. Flowering stalk up to 60cm long, and coils after pollination.

Fruit

Form

Submerged aquatic herb, with erect stems and slender leaves.

Municipalities

Break O'Day; Clarence; Derwent Valley; Dorset; Flinders Island; Glamorgan-Spring Bay; King Island; Northern Midlands; Sorell; Southern Midlands; Tasman; West Coast; West Tamar

Communities

Habitat Notes

Coastal creeks, estauaries, coastal and inland saline lagoons, all Tasmanian coasts and inland lagoons in the Midlands.

Site Tolerance

Frost Tolerance

Soil Tolerance

General Notes

Not easily grown from seed. Sow in shallow water using the bog method. Can be propagated easily by division of rhizomes. Suitable below powerlines.

Propagation Details

Propagation Calendar

Flowering Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Seed Collecting Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sowing Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Cutting Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Seed Information

Seed Collection

Pollination occurs on or below the water surface. Fruits are usually 2-6mm long, and turn black when mature.

Seed Treatment Method

Bog method

Seed Storage Life

Viable Seeds Per Gram

Seed Treatment Notes

Germination Time

Suitable for Direct Seeding

Cuttings

Expected Time to Take Root

Expected Time to Plant Out

Propagation by Division N.B. Transplant only from nearby to avoid disease.

Yes

Cutting Notes