Family Index

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Scientific Name

Myriophyllum amphibium

Family Name

HALORAGACEAE

Common Name

Broad Water-milfoil

Status

Height

Flowers

Solitary. Male flowers with narrow pink petals, females with bright red stigmas and no petals.

Fruit

Form

Small reddish perennial herb with creeping stems.

Municipalities

Break O'Day; Burnie; Derwent Valley; Dorset; Flinders Island; Georgetown; Glamorgan-Spring Bay; King Island; West Coast

Communities

Habitat Notes

Local in freshwater and tidal river estuaries, particularly in the south-west.

Site Tolerance

Frost Tolerance

Soil Tolerance

General Notes

Propagation usually by division or from cuttings placed in water. Seed germinates readily in clear, shallow water, or by using the bog method. 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

Tiny egg-shaped fruits about 1mm long, split into 2-4 segments when mature, but seed may be difficult to find.

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