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      1. Common Name
      2. Scientific Name
      3. Common Family Name
      4. Scientific Family Name
      5. Key to Families or Genera
      6. Salinity in the Loddon Murray Region
      7. Salinity in the Central and Northern Victorian Region
      8. Salinity in the Western Region
      9. Salinity in the Wimmera Region
      10. Salinity in the Mallee Region
      11. Salinity in the Gippsland Region
      12. Salinity in the Coastal Region
    7. Salinity Management
    8. Declared Water Supply Catchments

Rosinweed

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Rosinweed photos

Scientific Name:Cressa australis (syn. Cressa cretica var. australis)
Rosinweed - flowering stems
Rosinweed with flowering stems
Photo: A J Brown

Status:


Native to all mainland States and the Northern Territory.

Plant Description:


Perennial plant with a strong taproot. Stems, leaves and outer flower parts (sepals) with closely appressed (flattened) grey hairs. Leaves are ovate to lanceolate (lance-shaped) or elliptical, to 8 mm long and 3 mm wide with a pointed tip and alternately arranged on the stem. Flowers are in short heads at the ends of branches or solitary in the junction of leaf and stem. Petals are white and 4-6 mm long with its lobes (divided upper portion) shorter than or as long as the flower tube (lower fused portion).

Habitat:


Found on saline swampy soils in north-west Victoria.

RegionSalinity ClassWaterlogging Class
Mallee, Loddon Murray, Central and Northern, WimmeraS1, S2, S3W2, W3

Comments:


Similar in general appearance to Creeping Brookweed but its leaves are generally more bluish-green to grey, rather than green and hairy rather than smooth. Also similar to Round-leaf Wilsonia, with which it shares the same family, but is generally more erect in growth habit. Although both have hairy leaves, stems and sepals, Rosinweed has leaves that are longer and oval or lance shaped and more spread apart on its stems.

Rosinweed Photos

Rosinweed flowers
Rosinweed flowers
Photo: A J Brown

Rosinweed flowers showing hairy sepals and upper leaves
Rosinweed flowers showing hairy sepals and upper leaves
Photo: A J Brown

Rosinweed - prostrate growth
Rosinweed showing prostrate growth
Photo: A J Brown

Rosinweed growing through dried off Sea Barley-grass
Young Rosinweed growing through dried-off Sea Barley-grass
Photo: A J Brown

Rosinweed plant showing hairy stems and leaves
Rosinweed showing hairy stems and leaves
Photo: A J Brown

Rosinweed plant showing taproot
Rosinweed plant showing taproot
Photo: A J Brown

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