Family:

Myrtaceae

Callistemon sieberi

River Bottlebrush

(syn. C. paludosus)

Other Names:

Name Origin:

sieberi — after F.W. Sieber (1789-1844), botanist from collected extensively in Australia.

Regional Subspecies:

Occurrence:

Regional:

Common along major creeks and rivers throughout region.

Australia:

Qld, NSW, Vic, SA.

Habitat:

Along watercourses, dried and rocky riverbeds and gullies.

Habit:

Shrub or small tree 2-7 m high. Pinkish new growth and narrow leaves 2-5 cm long.

Site Preference:

Moist soils. Tolerates severe seasonal waterlogging and inundation, poor and acidic soils, poor drainage, dry periods, frost, wind and fire.

Characteristics:

Fast-growing, hardy and adaptable.

Flowering:

Cream or pale yellow, rarely pink, mostly Nov-Jan.

Seed Collection:

Dec-Jan, as seeds shed after maturity. Collect from older wood.

Propagation:

From seed (± 300 viable seeds per gram) using the Bog method, or cuttings taken from firm young growth. Cuttings often difficult to strike. Mist and bottom heat may enhance strike rate.

Regeneration:

From seed, on sand and gravel banks after floods, and in absence of weed competition. After fire from seed, stem and coppice.

VALUES:

Shade & Shelter:

Useful low-level cover in windbreaks.

Land Protection:

Useful for stabilising streambanks due to soil-binding fibrous roots. Branches produce roots when in contact with moist soil.

Wildlife:

Important stream-side vegetation, for shade and insect source for fish. Flowers are a nectar source for honeyeaters and silvereyes, moths, butterflies and other insects. Foliage good refuge for small birds. Attracts seed-eating birds.

First Nations:

Drink made from nectar.

Ornamental:

Useful for screening, hedges, pond edges and bog gardens. Absorbs moisture in boggy sites. Prune severely to prevent straggly growth. Remove old flowerheads to promote flowering and bushiness.

Other:

Nectar can be sucked from the flowers.