Plants of South Eastern New South Wales
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Sisyrinchium rosulatum
Scourweed
Iridaceae
Variety of habitats. Pastures, roadsides, disturbed areas, and poorly drained sites. Coast, ranges, tablelands, and ACT. Rarely elsewhere.
Introduced annual herb to 0.2 m high, usually densely tufted. Stem unbranched or branched, jointed, slightly compressed, winged, 2-angled. Leaves basal and alternating up the stems, 2–6 cm long, 1–3 mm wide. Flowers either pale yellow with brown-purple markings in the centre, with purplish markings down the middle on the outside, or pinkish to pale lavender or mauve with a yellowish throat and darker purplish markings, about 7.5 mm long, 5–7 mm in diameter, with 6 'petals', free from each other almost to the base, spreading widely. Flowers single or in small clusters. Flowers Oct.–Mar.
Was Sisyrinchium sp. A.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Sisyrinchium~rosulatum (accessed 30 January, 2021)
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