Plants of South Eastern New South Wales
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Lythrum hyssopifolia
Hyssop loosestrife, Small loosestrife, Lesser loosestrife
Lythraceae
Moist sites in dry forest, woodland, grassy areas, and disturbed places. Widespread.
Annual herb to 0.5 m tall, or sprawling. Stems hairless. Leaves mostly alternating up the stems, some almost opposite each other, 0.5-2.5 cm long, 1.5-6 mm wide, hairless, tips pointed to blunt. Flowers pinky mauve, red, blue, or purple, with 4-6 spreading 'petals' each about 1-4 mm long. Hypanthium tubular, the tube about 1 mm in diameter at the throat. Flowers Spring to Summer.
All native plants on unleased land in the ACT are protected.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Lythrum~hyssopifolia (accessed 24 January, 2021)
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