Plants of South Eastern New South Wales

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Cardamine microthrix

Common name

Eastern bitter-cress

Family

Brassicaceae

Where found

Chiefly along streams, lakes, and adjacent low-lying areas. Widespread. Few records.

Notes

Annual herb to 0.30 m high, taprooted or fibrous rooted. Stems erect to trailing, hairless or sparsely hairy. Basal leaves mostly compound, to 8 cm long, forming a rosette, persisting or not, the terminal leaflet relatively large, bases cordate, margins fringed. Stem leaves alternating up the stems, mostly 2–5 cm long, compound, with 3-7 leaflets, margins fringed. Terminal leaflets usually 5–9-lobed, lateral leaflets 3-lobed. Flowers with 4 white petals each 3-4 mm long. 6 stamens. Flowers in few to many-flowered clusters, commonly with more than 7 flowers. Flowers spring to summer. 

All native plants on unleased land in the ACT are protected.

Vulnerable Vic.

PlantNET description with line drawings and photo of dried specimens:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Cardamine~microthrix (accessed 7 January, 2021)