Callistemon sieberi

The alpine bottlebrush or river bottlebrush is in the myrtle or Myrtaceae family and is indigenous to eastern Australia. It is a shrub or small tree with flexible and drooping branches, reaching up to 8 m in height.

It now has been renamed Melaleuca paludicola.

• Leaves are evergreen, alternate, 2–7 cm long and 1.3–8 mm wide, flat, linear to narrow lance-shaped and have a small point at the end; they have distinctive mid-veins and 11-18 side veins.
• Flowers are cream to yellow, occasionally pink, arranged in spikes at the end of or around the branches; spikes are 2–3 cm long, with 10–40 individual flowers; petals are 2.6–4 mm long. Stamens are arranged in bundles of 5, and each bundle contains 11 to 25 stamens There are 19-36 stamens in each flower, with their "stalks" (the filaments) forming the "bottlebrush". Flowering occurs from October to January.
• Developing fruit is a woody capsule, cup-shaped, round, 3.0–4.3 mm long, in cylindrical clusters along the stem.