Australian Tropical Rainforest Plants - Online edition
Juncus usitatus L.A.S.Johnson
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Inflorescence. © Australian Plant Image Index (APII). Photographer: M. Fagg.
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10th leaf stage. © CSIRO
![](../../images/entities/juncus_usitatus/s01007.jpg)
Cotyledon stage, epigeal germination. © CSIRO
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Scale bar 10mm. © CSIRO
Family
Johnson, L.A.S. (1961) Contributions from the New South Wales National Herbarium 3(3): 241. Type: Queensland, Cheltenham, L.A.S. Johnson 23.11.1952 (NSW 20734). ISOTYPES in K (distributed as J.polyanthemos Buchen.) and CHR.
Common name
Soft Rush; Rush
Stem
Sometimes exceeds 1 m in height but usually flowers and fruits when smaller.
Leaves
'Leaves' about 1-1.5 m long, cylindrical, terete, about 1.5-3 mm diam., inside filled with white pith. Base of leaf encased in sheathing bracts about 40-120 mm long. 'Leaves' produced in a straight line along a rhizome. True leaves are scale-like and inconspicuous.
Flowers
Fruit
Fruits 3-sided, about 2 mm long, perianth persistent at the base. Seeds numerous, golden brown, minute, longitudinally ribbed.
Seedlings
Distribution and Ecology
RFK Code
3425
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