Arabidella trisecta
(F.Muell.) O.E.Schulz Shrubby CressWoody shrub, usually to 30 cm high, erect; stems terete, quadrangular or fluted, usually with papillae on the ribs, old stem whitish. Leaves not in basal rosette; stems leaves 2 or 3 (rarely more) times divided, mostly to 4 cm long, segments linear or rarely spathulate. Inflorescence elongated. Sepals 2–4 mm long; petals 3–6 mm long, white or creamy yellow. Fruit usually erect, linear, 10–40 mm long, c. 1 mm wide; style less than 1 mm long, capitate; pedicels erect, 7–15 mm long. Flowers winter–spring.
MuM, Wim, MSB, RobP, MuF. Also WA, NT, Qld, SA, NSW. In Victoria, largely restricted to far north-west with an isolated record south-west of Edenhope. Plants grow in disturbed habitats on loamy, clayey or rock soils.
Entwisle, T.J. (1996). Brassicaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae, pp. 399–459. Inkata Press, Melbourne.
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