March Blooms in Oatley Park

Grey Mangrove
Avicennia marina Curly Sedge Caustis flexuosa
Small tree of intertidal mudflats, surrounded by aerial roots in the mud. Leaves broad, leathery, opposite. Flowers orange, in terminal clusters. Fruit a compressed oval capsule which floats. Not every tree flowers at the same time. Common around salt water margins of the Park.   Sedge to 60cm tall with distinctive curly branchlets and dark brown leaf sheaths. Flowers born on upper branchlets with 3-4 pendulous stamens. Widespread on sandy soils.  
Scurvy Weed
Commelina cyanea a grass Oplismenus aemulus
Low weak herb similar to the introduced weed Wandering Jew. Leaves to 8cm long, ovate, sheathing the stems. Flowers with 3 blue petals. Sheltered lower slopes.   A week creeping grass. Leaves lance-shaped with wavy margins. Flower stems upright with flowers along stems. Shaded forest and moist areas.  
Common Silkpod
Parsonsia straminea Pomax Pomax umbellata
Robust climber on bushes and over ground. Leaves and stems with watery sap when broken. Leaves broad, opposite. Flowers yellowish and bearded, tubular and with exserted stamens borne in irregular clusters. Sheltered areas especially below cliff lines. .   Low plant with minute reddish flowers in umbels at the ends of branches. Widespread and common but often overlooked.  
Sharp Greenhood
Pterostylis acuminata
Ground orchid with stem to 24cm tall. Flower solitary, 25mm long, translucent green and distinguished by 2 long erect pointed lateral sepals. Mostly flowering in April-May, but flower spotted in early March on Headland Track.  

For More information on the Flora of Oatley Park and Sydney Region check out the publications below:

  • Native Plants of Oatley Park Compiled by Alan Fairley, copies available at Oatley Flora and Fauna monthly meetings.
  • Native Plants of the Sydney District an identification guide, by Alan Fairley & Philip Moore, available in book shops.

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